73640407274 has 32 divisors (see below), whose sum is σ = 131981598720. Its totient is φ = 30130203312.

The previous prime is 73640407259. The next prime is 73640407283. The reversal of 73640407274 is 47270404637.

It is a super-2 number, since 2×73640407274² (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, 50234 + ... + 387045.

It is an arithmetic number, because the mean of its divisors is an integer number (4124424960).

Almost surely, 2^73640407274 is an apocalyptic number.

73640407274 is a deficient number, since it is larger than the sum of its proper divisors (58341191446).

73640407274 is a wasteful number, since it uses less digits than its factorization.

73640407274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437834.

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 73640407274 in words is "seventy-three billion, six hundred forty million, four hundred seven thousand, two hundred seventy-four".