172346077442 has 32 divisors (see below), whose sum is σ = 323222707584. Its totient is φ = 66957580800.

The previous prime is 172346077381. The next prime is 172346077457. The reversal of 172346077442 is 244770643271.

It is a super-2 number, since 2×172346077442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530809 + ... + 1639532.

It is an arithmetic number, because the mean of its divisors is an integer number (10100709612).

Almost surely, 2^172346077442 is an apocalyptic number.

172346077442 is a deficient number, since it is larger than the sum of its proper divisors (150876630142).

172346077442 is a wasteful number, since it uses less digits than its factorization.

172346077442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170714.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 172346077442 in words is "one hundred seventy-two billion, three hundred forty-six million, seventy-seven thousand, four hundred forty-two".