772142860 has 24 divisors (see below), whose sum is σ = 1627241616. Its totient is φ = 307763520.

The previous prime is 772142857. The next prime is 772142863. The reversal of 772142860 is 68241277.

772142860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (772142857) and next prime (772142863).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (772142863) 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, 62551 + ... + 73870.

It is an arithmetic number, because the mean of its divisors is an integer number (67801734).

Almost surely, 2^772142860 is an apocalyptic number.

It is an amenable number.

772142860 is an abundant number, since it is smaller than the sum of its proper divisors (855098756).

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

772142860 is a wasteful number, since it uses less digits than its factorization.

772142860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136713 (or 136711 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 772142860 is about 27787.4586819306. The cubic root of 772142860 is about 917.4151054803.

The spelling of 772142860 in words is "seven hundred seventy-two million, one hundred forty-two thousand, eight hundred sixty".