74573460 has 120 divisors (see below), whose sum is σ = 252006216. Its totient is φ = 18351360.

The previous prime is 74573449. The next prime is 74573489. The reversal of 74573460 is 6437547.

It can be written as a sum of positive squares in 4 ways, for example, as 544644 + 74028816 = 738^2 + 8604^2 .

It is a super-2 number, since 2×74573460² = 11122401872743200, which contains 22 as substring.

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

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 19290 + ... + 22830.

Almost surely, 2^74573460 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 74573460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126003108).

74573460 is an abundant number, since it is smaller than the sum of its proper divisors (177432756).

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

74573460 is a wasteful number, since it uses less digits than its factorization.

74573460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 74573460 is about 8635.5926258711. The cubic root of 74573460 is about 420.9153505689.

The spelling of 74573460 in words is "seventy-four million, five hundred seventy-three thousand, four hundred sixty".