2420745 has 16 divisors (see below), whose sum is σ = 3929472. Its totient is φ = 1272320.

The previous prime is 2420723. The next prime is 2420767. The reversal of 2420745 is 5470242.

It is an interprime number because it is at equal distance from previous prime (2420723) and next prime (2420767).

It is not a de Polignac number, because 2420745 - 2¹⁰ = 2419721 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (245592).

2^2420745 is an apocalyptic number.

It is an amenable number.

2420745 is a deficient number, since it is larger than the sum of its proper divisors (1508727).

2420745 is a wasteful number, since it uses less digits than its factorization.

2420745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 2420745 is about 1555.8743522534. The cubic root of 2420745 is about 134.2712445876.

Adding to 2420745 its reverse (5470242), we get a palindrome (7890987).

The spelling of 2420745 in words is "two million, four hundred twenty thousand, seven hundred forty-five".