2077740 has 144 divisors (see below), whose sum is σ = 7705152. Its totient is φ = 442368.

The previous prime is 2077711. The next prime is 2077753. The reversal of 2077740 is 477702.

It is a happy number.

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, 21372 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (53508).

2^2077740 is an apocalyptic number.

2077740 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 2077740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3852576).

2077740 is an abundant number, since it is smaller than the sum of its proper divisors (5627412).

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

2077740 is a wasteful number, since it uses less digits than its factorization.

2077740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2077740 is about 1441.4367832132. The cubic root of 2077740 is about 127.6038369800.

The spelling of 2077740 in words is "two million, seventy-seven thousand, seven hundred forty".