72074625 has 32 divisors (see below), whose sum is σ = 137070336. Its totient is φ = 32947200.

The previous prime is 72074621. The next prime is 72074633. The reversal of 72074625 is 52647027.

It is not a de Polignac number, because 72074625 - 2² = 72074621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72074621) 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 31 ways as a sum of consecutive naturals, for example, 11104 + ... + 16353.

It is an arithmetic number, because the mean of its divisors is an integer number (4283448).

Almost surely, 2^72074625 is an apocalyptic number.

72074625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72074625 is a deficient number, since it is larger than the sum of its proper divisors (64995711).

72074625 is a wasteful number, since it uses less digits than its factorization.

72074625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27482 (or 27472 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 72074625 is about 8489.6775557144. The cubic root of 72074625 is about 416.1604429971.

The spelling of 72074625 in words is "seventy-two million, seventy-four thousand, six hundred twenty-five".