72001900174 has 8 divisors (see below), whose sum is σ = 110921846328. Its totient is φ = 35027951400.

The previous prime is 72001900123. The next prime is 72001900193. The reversal of 72001900174 is 47100910027.

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

It is a super-2 number, since 2×72001900174² (a number of 23 digits) contains 22 as substring.

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, 486499252 + ... + 486499399.

It is an arithmetic number, because the mean of its divisors is an integer number (13865230791).

Almost surely, 2^72001900174 is an apocalyptic number.

72001900174 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72001900174 is a deficient number, since it is larger than the sum of its proper divisors (38919946154).

72001900174 is a wasteful number, since it uses less digits than its factorization.

72001900174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972998690.

The product of its (nonzero) digits is 3528, while the sum is 31.

The spelling of 72001900174 in words is "seventy-two billion, one million, nine hundred thousand, one hundred seventy-four".