74442480 has 160 divisors (see below), whose sum is σ = 267792384. Its totient is φ = 16754688.

The previous prime is 74442469. The next prime is 74442497. The reversal of 74442480 is 8424447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122337 + ... + 122943.

Almost surely, 2^74442480 is an apocalyptic number.

74442480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74442480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133896192).

74442480 is an abundant number, since it is smaller than the sum of its proper divisors (193349904).

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

74442480 is a wasteful number, since it uses less digits than its factorization.

74442480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 74442480 is about 8628.0055632805. The cubic root of 74442480 is about 420.6687757973.

The spelling of 74442480 in words is "seventy-four million, four hundred forty-two thousand, four hundred eighty".