7901256 has 48 divisors (see below), whose sum is σ = 21674160. Its totient is φ = 2380480.

The previous prime is 7901251. The next prime is 7901261. The reversal of 7901256 is 6521097.

7901256 = T₃₇₉ + T₃₈₀ + ... + T₄₆₆.

It is an interprime number because it is at equal distance from previous prime (7901251) and next prime (7901261).

It is not an unprimeable number, because it can be changed into a prime (7901251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45586 + ... + 45758.

It is an arithmetic number, because the mean of its divisors is an integer number (451545).

Almost surely, 2^7901256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7901256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10837080).

7901256 is an abundant number, since it is smaller than the sum of its proper divisors (13772904).

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

7901256 is a wasteful number, since it uses less digits than its factorization.

7901256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 7901256 is about 2810.9172880040. The cubic root of 7901256 is about 199.1737243773.

The spelling of 7901256 in words is "seven million, nine hundred one thousand, two hundred fifty-six".