74927642 has 16 divisors (see below), whose sum is σ = 114576000. Its totient is φ = 36739440.

The previous prime is 74927639. The next prime is 74927647. The reversal of 74927642 is 24672947.

It is a super-2 number, since 2×74927642² = 11228303071360328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74927642.

It is not an unprimeable number, because it can be changed into a prime (74927647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52859 + ... + 54257.

It is an arithmetic number, because the mean of its divisors is an integer number (7161000).

Almost surely, 2^74927642 is an apocalyptic number.

74927642 is a deficient number, since it is larger than the sum of its proper divisors (39648358).

74927642 is a wasteful number, since it uses less digits than its factorization.

74927642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its digits is 169344, while the sum is 41.

The square root of 74927642 is about 8656.0754386731. The cubic root of 74927642 is about 421.5806687892.

The spelling of 74927642 in words is "seventy-four million, nine hundred twenty-seven thousand, six hundred forty-two".