72075074 has 16 divisors (see below), whose sum is σ = 110318208. Its totient is φ = 35309952.

The previous prime is 72075067. The next prime is 72075079. The reversal of 72075074 is 47057027.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72075074.

It is not an unprimeable number, because it can be changed into a prime (72075079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18179 + ... + 21785.

It is an arithmetic number, because the mean of its divisors is an integer number (6894888).

Almost surely, 2^72075074 is an apocalyptic number.

72075074 is a deficient number, since it is larger than the sum of its proper divisors (38243134).

72075074 is a wasteful number, since it uses less digits than its factorization.

72075074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 72075074 is about 8489.7039995515. The cubic root of 72075074 is about 416.1613071739.

The spelling of 72075074 in words is "seventy-two million, seventy-five thousand, seventy-four".