772472544 has 24 divisors (see below), whose sum is σ = 2027740680. Its totient is φ = 257490816.

The previous prime is 772472501. The next prime is 772472557. The reversal of 772472544 is 445274277.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 772472496 and 772472505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023199 + ... + 4023390.

It is an arithmetic number, because the mean of its divisors is an integer number (84489195).

Almost surely, 2^772472544 is an apocalyptic number.

It is an amenable number.

772472544 is an abundant number, since it is smaller than the sum of its proper divisors (1255268136).

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

772472544 is a wasteful number, since it uses less digits than its factorization.

772472544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046602 (or 8046594 counting only the distinct ones).

The product of its digits is 439040, while the sum is 42.

The square root of 772472544 is about 27793.3902933773. The cubic root of 772472544 is about 917.5456573339.

The spelling of 772472544 in words is "seven hundred seventy-two million, four hundred seventy-two thousand, five hundred forty-four".