751940864 has 18 divisors (see below), whose sum is σ = 1500944970. Its totient is φ = 375970304.

The previous prime is 751940851. The next prime is 751940869. The reversal of 751940864 is 468049157.

It can be written as a sum of positive squares in only one way, i.e., 572166400 + 179774464 = 23920^2 + 13408^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (751940869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1468379 + ... + 1468890.

Almost surely, 2^751940864 is an apocalyptic number.

It is an amenable number.

751940864 is a deficient number, since it is larger than the sum of its proper divisors (749004106).

751940864 is an equidigital number, since it uses as much as digits as its factorization.

751940864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937285 (or 2937271 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 751940864 is about 27421.5401463886. The cubic root of 751940864 is about 909.3433511011.

The spelling of 751940864 in words is "seven hundred fifty-one million, nine hundred forty thousand, eight hundred sixty-four".