72607401 has 8 divisors (see below), whose sum is σ = 107566560. Its totient is φ = 48404916.

The previous prime is 72607393. The next prime is 72607429. The reversal of 72607401 is 10470627.

It is not a de Polignac number, because 72607401 - 2³ = 72607393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2689163 = 72607401 / (7 + 2 + 6 + 0 + 7 + 4 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (72607471) 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, 1344555 + ... + 1344608.

It is an arithmetic number, because the mean of its divisors is an integer number (13445820).

Almost surely, 2^72607401 is an apocalyptic number.

It is an amenable number.

72607401 is a deficient number, since it is larger than the sum of its proper divisors (34959159).

72607401 is a wasteful number, since it uses less digits than its factorization.

72607401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689172 (or 2689166 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 72607401 is about 8520.9976528573. The cubic root of 72607401 is about 417.1833467330.

The spelling of 72607401 in words is "seventy-two million, six hundred seven thousand, four hundred one".