1357712772 has 24 divisors (see below), whose sum is σ = 3411688896. Its totient is φ = 417757728.

The previous prime is 1357712737. The next prime is 1357712777. The reversal of 1357712772 is 2772177531.

It is not an unprimeable number, because it can be changed into a prime (1357712777) 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 in 7 ways as a sum of consecutive naturals, for example, 4351488 + ... + 4351799.

It is an arithmetic number, because the mean of its divisors is an integer number (142153704).

Almost surely, 2^1357712772 is an apocalyptic number.

1357712772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1357712772 is an abundant number, since it is smaller than the sum of its proper divisors (2053976124).

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

1357712772 is a wasteful number, since it uses less digits than its factorization.

1357712772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703307 (or 8703305 counting only the distinct ones).

The product of its digits is 144060, while the sum is 42.

The square root of 1357712772 is about 36847.1541913348. The cubic root of 1357712772 is about 1107.3102017863.

The spelling of 1357712772 in words is "one billion, three hundred fifty-seven million, seven hundred twelve thousand, seven hundred seventy-two".