74761072 has 20 divisors (see below), whose sum is σ = 149845320. Its totient is φ = 36091328.

The previous prime is 74761069. The next prime is 74761117. The reversal of 74761072 is 27016747.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80098 + ... + 81025.

It is an arithmetic number, because the mean of its divisors is an integer number (7492266).

Almost surely, 2^74761072 is an apocalyptic number.

It is an amenable number.

74761072 is an abundant number, since it is smaller than the sum of its proper divisors (75084248).

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

74761072 is a wasteful number, since it uses less digits than its factorization.

74761072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161160 (or 161154 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 74761072 is about 8646.4485194790. The cubic root of 74761072 is about 421.2680347540.

The spelling of 74761072 in words is "seventy-four million, seven hundred sixty-one thousand, seventy-two".