74479500 has 144 divisors (see below), whose sum is σ = 244057632. Its totient is φ = 19828800.

The previous prime is 74479463. The next prime is 74479513. The reversal of 74479500 is 597447.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 121194 + ... + 121806.

Almost surely, 2^74479500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74479500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122028816).

74479500 is an abundant number, since it is smaller than the sum of its proper divisors (169578132).

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

74479500 is a wasteful number, since it uses less digits than its factorization.

74479500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 74479500 is about 8630.1506359970. The cubic root of 74479500 is about 420.7384966399.

The spelling of 74479500 in words is "seventy-four million, four hundred seventy-nine thousand, five hundred".