772490072 has 8 divisors (see below), whose sum is σ = 1448418900. Its totient is φ = 386245032.

The previous prime is 772490071. The next prime is 772490077. The reversal of 772490072 is 270094277.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×772490072² = 1193481822677130368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772490071) by changing a digit.

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 as a sum of consecutive naturals, namely, 48280622 + ... + 48280637.

Almost surely, 2^772490072 is an apocalyptic number.

It is an amenable number.

772490072 is a deficient number, since it is larger than the sum of its proper divisors (675928828).

772490072 is a wasteful number, since it uses less digits than its factorization.

772490072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96561265 (or 96561261 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 772490072 is about 27793.7056183590. The cubic root of 772490072 is about 917.5525972218.

The spelling of 772490072 in words is "seven hundred seventy-two million, four hundred ninety thousand, seventy-two".