72437874 has 8 divisors (see below), whose sum is σ = 144875760. Its totient is φ = 24145956.

The previous prime is 72437873. The next prime is 72437881. The reversal of 72437874 is 47873427.

It is a sphenic number, since it is the product of 3 distinct primes.

72437874 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72437873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6036484 + ... + 6036495.

It is an arithmetic number, because the mean of its divisors is an integer number (18109470).

Almost surely, 2^72437874 is an apocalyptic number.

72437874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72437874 is a wasteful number, since it uses less digits than its factorization.

72437874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072984.

The product of its digits is 263424, while the sum is 42.

The square root of 72437874 is about 8511.0442367550. The cubic root of 72437874 is about 416.8584076092.

The spelling of 72437874 in words is "seventy-two million, four hundred thirty-seven thousand, eight hundred seventy-four".