157829970 has 16 divisors (see below), whose sum is σ = 378792000. Its totient is φ = 42087984.

The previous prime is 157829963. The next prime is 157829981. The reversal of 157829970 is 79928751.

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, 2630470 + ... + 2630529.

It is an arithmetic number, because the mean of its divisors is an integer number (23674500).

Almost surely, 2^157829970 is an apocalyptic number.

157829970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157829970 is an abundant number, since it is smaller than the sum of its proper divisors (220962030).

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

157829970 is a wasteful number, since it uses less digits than its factorization.

157829970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261009.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 157829970 is about 12563.0398391472. The cubic root of 157829970 is about 540.4180233681.

It can be divided in two parts, 15782 and 9970, that added together give a palindrome (25752).

The spelling of 157829970 in words is "one hundred fifty-seven million, eight hundred twenty-nine thousand, nine hundred seventy".