74503072 has 48 divisors (see below), whose sum is σ = 174932352. Its totient is φ = 30539520.

The previous prime is 74503063. The next prime is 74503073. The reversal of 74503072 is 27030547.

It is a Harshad number since it is a multiple of its sum of digits (28).

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

It is a self number, because there is not a number n which added to its sum of digits gives 74503072.

It is not an unprimeable number, because it can be changed into a prime (74503073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079 + ... + 12382.

It is an arithmetic number, because the mean of its divisors is an integer number (3644424).

Almost surely, 2^74503072 is an apocalyptic number.

It is an amenable number.

74503072 is an abundant number, since it is smaller than the sum of its proper divisors (100429280).

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

74503072 is a wasteful number, since it uses less digits than its factorization.

74503072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14501 (or 14493 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 74503072 is about 8631.5162051635. The cubic root of 74503072 is about 420.7828784352.

The spelling of 74503072 in words is "seventy-four million, five hundred three thousand, seventy-two".