157627690 has 16 divisors (see below), whose sum is σ = 309523680. Its totient is φ = 57319120.

The previous prime is 157627663. The next prime is 157627693. The reversal of 157627690 is 96726751.

It is a super-2 number, since 2×157627690² = 49692977309472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157627693) 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, 716380 + ... + 716599.

It is an arithmetic number, because the mean of its divisors is an integer number (19345230).

Almost surely, 2^157627690 is an apocalyptic number.

157627690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157627690 is a deficient number, since it is larger than the sum of its proper divisors (151895990).

157627690 is a wasteful number, since it uses less digits than its factorization.

157627690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432997.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 157627690 is about 12554.9866586946. The cubic root of 157627690 is about 540.1870522542.

The spelling of 157627690 in words is "one hundred fifty-seven million, six hundred twenty-seven thousand, six hundred ninety".