74572406 has 8 divisors (see below), whose sum is σ = 114460104. Its totient is φ = 36419040.

The previous prime is 74572403. The next prime is 74572411. The reversal of 74572406 is 60427547.

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

It is a super-2 number, since 2×74572406² = 11122087473257672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74572403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433475 + ... + 433646.

It is an arithmetic number, because the mean of its divisors is an integer number (14307513).

Almost surely, 2^74572406 is an apocalyptic number.

74572406 is a deficient number, since it is larger than the sum of its proper divisors (39887698).

74572406 is a wasteful number, since it uses less digits than its factorization.

74572406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867166.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 74572406 is about 8635.5315991547. The cubic root of 74572406 is about 420.9133675271.

The spelling of 74572406 in words is "seventy-four million, five hundred seventy-two thousand, four hundred six".