74670072 has 32 divisors (see below), whose sum is σ = 192698880. Its totient is φ = 24086880.

The previous prime is 74670067. The next prime is 74670073. The reversal of 74670072 is 27007647.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74670073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49438 + ... + 50925.

It is an arithmetic number, because the mean of its divisors is an integer number (6021840).

Almost surely, 2^74670072 is an apocalyptic number.

It is an amenable number.

74670072 is an abundant number, since it is smaller than the sum of its proper divisors (118028808).

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

74670072 is a wasteful number, since it uses less digits than its factorization.

74670072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100403 (or 100399 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 74670072 is about 8641.1846410084. The cubic root of 74670072 is about 421.0970413268.

The spelling of 74670072 in words is "seventy-four million, six hundred seventy thousand, seventy-two".