172016674 has 8 divisors (see below), whose sum is σ = 260057088. Its totient is φ = 85330980.

The previous prime is 172016653. The next prime is 172016681. The reversal of 172016674 is 476610271.

It is a happy number.

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

It is a super-2 number, since 2×172016674² = 59179472268044552, which contains 22 as substring.

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, 338362 + ... + 338869.

It is an arithmetic number, because the mean of its divisors is an integer number (32507136).

Almost surely, 2^172016674 is an apocalyptic number.

172016674 is a deficient number, since it is larger than the sum of its proper divisors (88040414).

172016674 is a wasteful number, since it uses less digits than its factorization.

172016674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677360.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 172016674 is about 13115.5127234889. The cubic root of 172016674 is about 556.1477468232.

The spelling of 172016674 in words is "one hundred seventy-two million, sixteen thousand, six hundred seventy-four".