74724994 has 16 divisors (see below), whose sum is σ = 113944320. Its totient is φ = 36747360.

The previous prime is 74724989. The next prime is 74724997. The reversal of 74724994 is 49942747.

It is not an unprimeable number, because it can be changed into a prime (74724997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48699 + ... + 50209.

It is an arithmetic number, because the mean of its divisors is an integer number (7121520).

Almost surely, 2^74724994 is an apocalyptic number.

74724994 is a deficient number, since it is larger than the sum of its proper divisors (39219326).

74724994 is a wasteful number, since it uses less digits than its factorization.

74724994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905.

The product of its digits is 508032, while the sum is 46.

The square root of 74724994 is about 8644.3619776129. The cubic root of 74724994 is about 421.2002590466.

The spelling of 74724994 in words is "seventy-four million, seven hundred twenty-four thousand, nine hundred ninety-four".