772089580 has 24 divisors (see below), whose sum is σ = 1621913328. Its totient is φ = 308735808.

The previous prime is 772089547. The next prime is 772089583. The reversal of 772089580 is 85980277.

It is a super-2 number, since 2×772089580² = 1192244639089152800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 772089580.

It is not an unprimeable number, because it can be changed into a prime (772089583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107667 + ... + 114613.

It is an arithmetic number, because the mean of its divisors is an integer number (67579722).

Almost surely, 2^772089580 is an apocalyptic number.

It is an amenable number.

772089580 is an abundant number, since it is smaller than the sum of its proper divisors (849823748).

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

772089580 is a wasteful number, since it uses less digits than its factorization.

772089580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513 (or 12511 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 772089580 is about 27786.4999595127. The cubic root of 772089580 is about 917.3940035989.

The spelling of 772089580 in words is "seven hundred seventy-two million, eighty-nine thousand, five hundred eighty".