74459424 has 48 divisors (see below), whose sum is σ = 210494592. Its totient is φ = 22910208.

The previous prime is 74459419. The next prime is 74459449. The reversal of 74459424 is 42495447.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28584 + ... + 31079.

It is an arithmetic number, because the mean of its divisors is an integer number (4385304).

Almost surely, 2^74459424 is an apocalyptic number.

It is an amenable number.

74459424 is an abundant number, since it is smaller than the sum of its proper divisors (136035168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74459424 is a wasteful number, since it uses less digits than its factorization.

74459424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59689 (or 59681 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 74459424 is about 8628.9874261121. The cubic root of 74459424 is about 420.7006897933.

The spelling of 74459424 in words is "seventy-four million, four hundred fifty-nine thousand, four hundred twenty-four".