74270872 has 16 divisors (see below), whose sum is σ = 149970240. Its totient is φ = 34278816.

The previous prime is 74270869. The next prime is 74270873. The reversal of 74270872 is 27807247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74270873) 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 3 ways as a sum of consecutive naturals, for example, 356968 + ... + 357175.

It is an arithmetic number, because the mean of its divisors is an integer number (9373140).

Almost surely, 2^74270872 is an apocalyptic number.

It is an amenable number.

74270872 is an abundant number, since it is smaller than the sum of its proper divisors (75699368).

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

74270872 is a wasteful number, since it uses less digits than its factorization.

74270872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714162 (or 714158 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 74270872 is about 8618.0550009849. The cubic root of 74270872 is about 420.3452791846.

The spelling of 74270872 in words is "seventy-four million, two hundred seventy thousand, eight hundred seventy-two".