772306490 has 32 divisors (see below), whose sum is σ = 1465395840. Its totient is φ = 292248000.

The previous prime is 772306487. The next prime is 772306501. The reversal of 772306490 is 94603277.

It is a super-2 number, since 2×772306490² = 1192914628992240200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153515 + ... + 158465.

It is an arithmetic number, because the mean of its divisors is an integer number (45793620).

Almost surely, 2^772306490 is an apocalyptic number.

772306490 is a deficient number, since it is larger than the sum of its proper divisors (693089350).

772306490 is a wasteful number, since it uses less digits than its factorization.

772306490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 772306490 is about 27790.4028398294. The cubic root of 772306490 is about 917.4799061101.

The spelling of 772306490 in words is "seven hundred seventy-two million, three hundred six thousand, four hundred ninety".