75256764 has 48 divisors (see below), whose sum is σ = 193898880. Its totient is φ = 22527040.

The previous prime is 75256763. The next prime is 75256787. The reversal of 75256764 is 46765257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75256763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7522 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (4039560).

Almost surely, 2^75256764 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 75256764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96949440).

75256764 is an abundant number, since it is smaller than the sum of its proper divisors (118642116).

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

75256764 is a wasteful number, since it uses less digits than its factorization.

75256764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6968 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 75256764 is about 8675.0656481666. The cubic root of 75256764 is about 422.1970359348.

The spelling of 75256764 in words is "seventy-five million, two hundred fifty-six thousand, seven hundred sixty-four".