172402046 has 8 divisors (see below), whose sum is σ = 258699504. Its totient is φ = 86168880.

The previous prime is 172402037. The next prime is 172402073. The reversal of 172402046 is 640204271.

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

It is a super-2 number, since 2×172402046² = 59444930929972232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 8690 + ... + 20501.

It is an arithmetic number, because the mean of its divisors is an integer number (32337438).

Almost surely, 2^172402046 is an apocalyptic number.

172402046 is a deficient number, since it is larger than the sum of its proper divisors (86297458).

172402046 is a wasteful number, since it uses less digits than its factorization.

172402046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32146.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 172402046 is about 13130.1959619802. The cubic root of 172402046 is about 556.5627529430.

The spelling of 172402046 in words is "one hundred seventy-two million, four hundred two thousand, forty-six".