74484939 has 16 divisors (see below), whose sum is σ = 105749280. Its totient is φ = 46471680.

The previous prime is 74484929. The next prime is 74484983. The reversal of 74484939 is 93948447.

It is not a de Polignac number, because 74484939 - 2¹² = 74480843 is a prime.

It is a super-2 number, since 2×74484939² = 11096012275667442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74484919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5197 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (6609330).

Almost surely, 2^74484939 is an apocalyptic number.

74484939 is a deficient number, since it is larger than the sum of its proper divisors (31264341).

74484939 is a wasteful number, since it uses less digits than its factorization.

74484939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8270.

The product of its digits is 870912, while the sum is 48.

The square root of 74484939 is about 8630.4657464125. The cubic root of 74484939 is about 420.7487381202.

The spelling of 74484939 in words is "seventy-four million, four hundred eighty-four thousand, nine hundred thirty-nine".