772031240 has 32 divisors (see below), whose sum is σ = 1743698880. Its totient is φ = 307634112.

The previous prime is 772031219. The next prime is 772031257. The reversal of 772031240 is 42130277.

772031240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×772031240⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26174 + ... + 47213.

It is an arithmetic number, because the mean of its divisors is an integer number (54490590).

Almost surely, 2^772031240 is an apocalyptic number.

It is an amenable number.

772031240 is an abundant number, since it is smaller than the sum of its proper divisors (971667640).

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

772031240 is a wasteful number, since it uses less digits than its factorization.

772031240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73661 (or 73657 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 772031240 is about 27785.4501493138. The cubic root of 772031240 is about 917.3708965590.

The spelling of 772031240 in words is "seven hundred seventy-two million, thirty-one thousand, two hundred forty".