72678001 has 8 divisors (see below), whose sum is σ = 79528608. Its totient is φ = 65868000.

The previous prime is 72677993. The next prime is 72678007. The reversal of 72678001 is 10087627.

It is a happy number.

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

It is not a de Polignac number, because 72678001 - 2³ = 72677993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72678007) 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, 6340 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (9941076).

Almost surely, 2^72678001 is an apocalyptic number.

It is an amenable number.

72678001 is a deficient number, since it is larger than the sum of its proper divisors (6850607).

72678001 is a wasteful number, since it uses less digits than its factorization.

72678001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20303.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 72678001 is about 8525.1393536997. The cubic root of 72678001 is about 417.3185193773.

The spelling of 72678001 in words is "seventy-two million, six hundred seventy-eight thousand, one".