74238764 has 12 divisors (see below), whose sum is σ = 129994704. Its totient is φ = 37097424.

The previous prime is 74238763. The next prime is 74238781. The reversal of 74238764 is 46783247.

It is a super-2 number, since 2×74238764² = 11022788160495392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74238763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902 + ... + 12794.

It is an arithmetic number, because the mean of its divisors is an integer number (10832892).

Almost surely, 2^74238764 is an apocalyptic number.

It is an amenable number.

74238764 is a deficient number, since it is larger than the sum of its proper divisors (55755940).

74238764 is a wasteful number, since it uses less digits than its factorization.

74238764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984 (or 10982 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74238764 is about 8616.1919662923. The cubic root of 74238764 is about 420.2846973746.

The spelling of 74238764 in words is "seventy-four million, two hundred thirty-eight thousand, seven hundred sixty-four".