157672330 has 8 divisors (see below), whose sum is σ = 283810212. Its totient is φ = 63068928.

The previous prime is 157672321. The next prime is 157672343. The reversal of 157672330 is 33276751.

157672330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127893481 + 29778849 = 11309^2 + 5457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883607 + ... + 7883626.

Almost surely, 2^157672330 is an apocalyptic number.

157672330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157672330 is a deficient number, since it is larger than the sum of its proper divisors (126137882).

157672330 is a wasteful number, since it uses less digits than its factorization.

157672330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767240.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 157672330 is about 12556.7643125130. The cubic root of 157672330 is about 540.2380409141.

The spelling of 157672330 in words is "one hundred fifty-seven million, six hundred seventy-two thousand, three hundred thirty".