157321708 has 6 divisors (see below), whose sum is σ = 275312996. Its totient is φ = 78660852.

The previous prime is 157321657. The next prime is 157321721. The reversal of 157321708 is 807123751.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19665210 + ... + 19665217.

Almost surely, 2^157321708 is an apocalyptic number.

It is an amenable number.

157321708 is a deficient number, since it is larger than the sum of its proper divisors (117991288).

157321708 is a wasteful number, since it uses less digits than its factorization.

157321708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39330431 (or 39330429 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 157321708 is about 12542.7950633023. The cubic root of 157321708 is about 539.8372943734.

The spelling of 157321708 in words is "one hundred fifty-seven million, three hundred twenty-one thousand, seven hundred eight".