72425947 has 8 divisors (see below), whose sum is σ = 79105392. Its totient is φ = 65762400.

The previous prime is 72425911. The next prime is 72425957. The reversal of 72425947 is 74952427.

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

It is not a de Polignac number, because 72425947 - 2²³ = 64037339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72425957) 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, 6853 + ... + 13849.

It is an arithmetic number, because the mean of its divisors is an integer number (9888174).

Almost surely, 2^72425947 is an apocalyptic number.

72425947 is a deficient number, since it is larger than the sum of its proper divisors (6679445).

72425947 is a wasteful number, since it uses less digits than its factorization.

72425947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949.

The product of its digits is 141120, while the sum is 40.

The square root of 72425947 is about 8510.3435300815. The cubic root of 72425947 is about 416.8355275749.

The spelling of 72425947 in words is "seventy-two million, four hundred twenty-five thousand, nine hundred forty-seven".