72420627 has 8 divisors (see below), whose sum is σ = 99890640. Its totient is φ = 46615520.

The previous prime is 72420617. The next prime is 72420661. The reversal of 72420627 is 72602427.

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

It is a cyclic number.

It is not a de Polignac number, because 72420627 - 2²⁰ = 71372051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72420594 and 72420603.

It is not an unprimeable number, because it can be changed into a prime (72420617) 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, 416124 + ... + 416297.

It is an arithmetic number, because the mean of its divisors is an integer number (12486330).

Almost surely, 2^72420627 is an apocalyptic number.

72420627 is a deficient number, since it is larger than the sum of its proper divisors (27470013).

72420627 is a wasteful number, since it uses less digits than its factorization.

72420627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832453.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 72420627 is about 8510.0309635159. The cubic root of 72420627 is about 416.8253211991.

The spelling of 72420627 in words is "seventy-two million, four hundred twenty thousand, six hundred twenty-seven".