329672057 has 16 divisors (see below), whose sum is σ = 391316352. Its totient is φ = 273784320.

The previous prime is 329672051. The next prime is 329672089. The reversal of 329672057 is 750276923.

It is a cyclic number.

It is not a de Polignac number, because 329672057 - 2⁸ = 329671801 is a prime.

It is a super-2 number, since 2×329672057² = 217367330333222498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329672051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1988 + ... + 25754.

It is an arithmetic number, because the mean of its divisors is an integer number (24457272).

Almost surely, 2^329672057 is an apocalyptic number.

It is an amenable number.

329672057 is a deficient number, since it is larger than the sum of its proper divisors (61644295).

329672057 is a wasteful number, since it uses less digits than its factorization.

329672057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23888.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 329672057 is about 18156.8735469519. The cubic root of 329672057 is about 690.8133355224.

The spelling of 329672057 in words is "three hundred twenty-nine million, six hundred seventy-two thousand, fifty-seven".