172083473742 has 16 divisors (see below), whose sum is σ = 344176739280. Its totient is φ = 57359525952.

The previous prime is 172083473729. The next prime is 172083473767. The reversal of 172083473742 is 247374380271.

It is a super-2 number, since 2×172083473742² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172083473691 and 172083473700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168733 + ... + 610440.

It is an arithmetic number, because the mean of its divisors is an integer number (21511046205).

Almost surely, 2^172083473742 is an apocalyptic number.

172083473742 is an abundant number, since it is smaller than the sum of its proper divisors (172093265538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172083473742 is a wasteful number, since it uses less digits than its factorization.

172083473742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815987.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 172083473742 in words is "one hundred seventy-two billion, eighty-three million, four hundred seventy-three thousand, seven hundred forty-two".