74358720 has 84 divisors (see below), whose sum is σ = 255772920. Its totient is φ = 19828224.

The previous prime is 74358689. The next prime is 74358727. The reversal of 74358720 is 2785347.

74358720 is a `hidden beast` number, since 74 + 3 + 587 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74358727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10030 + ... + 15789.

Almost surely, 2^74358720 is an apocalyptic number.

It is an amenable number.

74358720 is an abundant number, since it is smaller than the sum of its proper divisors (181414200).

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

74358720 is a wasteful number, since it uses less digits than its factorization.

74358720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25842 (or 25829 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 74358720 is about 8623.1502364275. The cubic root of 74358720 is about 420.5109427963.

It can be divided in two parts, 74358 and 720, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 74358720 in words is "seventy-four million, three hundred fifty-eight thousand, seven hundred twenty".