761439072 has 96 divisors (see below), whose sum is σ = 2030966784. Its totient is φ = 249766400.

The previous prime is 761439067. The next prime is 761439113. The reversal of 761439072 is 270934167.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 761439072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401858 + ... + 2402174.

It is an arithmetic number, because the mean of its divisors is an integer number (21155904).

Almost surely, 2^761439072 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 761439072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015483392).

761439072 is an abundant number, since it is smaller than the sum of its proper divisors (1269527712).

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

761439072 is a wasteful number, since it uses less digits than its factorization.

761439072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 761439072 is about 27594.1854744799. The cubic root of 761439072 is about 913.1561591197.

The spelling of 761439072 in words is "seven hundred sixty-one million, four hundred thirty-nine thousand, seventy-two".