74479999 has 16 divisors (see below), whose sum is σ = 84737664. Its totient is φ = 64864800.

The previous prime is 74479997. The next prime is 74480017. The reversal of 74479999 is 99997447.

It is not a de Polignac number, because 74479999 - 2¹ = 74479997 is a prime.

74479999 is a modest number, since divided by 9999 gives 7447 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74479991) 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, 23584 + ... + 26554.

It is an arithmetic number, because the mean of its divisors is an integer number (5296104).

Almost surely, 2^74479999 is an apocalyptic number.

74479999 is a deficient number, since it is larger than the sum of its proper divisors (10257665).

74479999 is a wasteful number, since it uses less digits than its factorization.

74479999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078.

The product of its digits is 5143824, while the sum is 58.

The square root of 74479999 is about 8630.1795462203. The cubic root of 74479999 is about 420.7394362633.

The spelling of 74479999 in words is "seventy-four million, four hundred seventy-nine thousand, nine hundred ninety-nine".