2904720 has 240 divisors, whose sum is σ = 11874240. Its totient is φ = 580608.

The previous prime is 2904719. The next prime is 2904749. The reversal of 2904720 is 274092.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152871 + ... + 152889.

It is an arithmetic number, because the mean of its divisors is an integer number (49476).

2^2904720 is an apocalyptic number.

2904720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2904720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5937120).

2904720 is an abundant number, since it is smaller than the sum of its proper divisors (8969520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2904720 is a wasteful number, since it uses less digits than its factorization.

2904720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2904720 is about 1704.3239128757. The cubic root of 2904720 is about 142.6816397169.

The spelling of 2904720 in words is "two million, nine hundred four thousand, seven hundred twenty".