74482978 has 16 divisors (see below), whose sum is σ = 114954840. Its totient is φ = 36172800.

The previous prime is 74482963. The next prime is 74482979. The reversal of 74482978 is 87928447.

It can be written as a sum of positive squares in 4 ways, for example, as 65076489 + 9406489 = 8067^2 + 3067^2 .

It is not an unprimeable number, because it can be changed into a prime (74482979) 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, 17878 + ... + 21646.

Almost surely, 2^74482978 is an apocalyptic number.

74482978 is a deficient number, since it is larger than the sum of its proper divisors (40471862).

74482978 is a wasteful number, since it uses less digits than its factorization.

74482978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053.

The product of its digits is 903168, while the sum is 49.

The square root of 74482978 is about 8630.3521365006. The cubic root of 74482978 is about 420.7450456712.

The spelling of 74482978 in words is "seventy-four million, four hundred eighty-two thousand, nine hundred seventy-eight".