633721072074 has 128 divisors (see below), whose sum is σ = 1400409368064. Its totient is φ = 190356480000.

The previous prime is 633721072067. The next prime is 633721072109. The reversal of 633721072074 is 470270127336.

It is a happy number.

It is a super-2 number, since 2×633721072074² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124232124 + ... + 124237224.

It is an arithmetic number, because the mean of its divisors is an integer number (10940698188).

Almost surely, 2^633721072074 is an apocalyptic number.

633721072074 is an abundant number, since it is smaller than the sum of its proper divisors (766688295990).

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

633721072074 is a wasteful number, since it uses less digits than its factorization.

633721072074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 633721072074 in words is "six hundred thirty-three billion, seven hundred twenty-one million, seventy-two thousand, seventy-four".