74272860 has 36 divisors (see below), whose sum is σ = 225294888. Its totient is φ = 19806048.

The previous prime is 74272859. The next prime is 74272867. The reversal of 74272860 is 6827247.

It is a tau number, because it is divible by the number of its divisors (36).

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 (74272867) 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, 206134 + ... + 206493.

Almost surely, 2^74272860 is an apocalyptic number.

It is an amenable number.

74272860 is an abundant number, since it is smaller than the sum of its proper divisors (151022028).

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

74272860 is a wasteful number, since it uses less digits than its factorization.

74272860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412642 (or 412637 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 74272860 is about 8618.1703394630. The cubic root of 74272860 is about 420.3490295960.

The spelling of 74272860 in words is "seventy-four million, two hundred seventy-two thousand, eight hundred sixty".