72046407 has 8 divisors (see below), whose sum is σ = 97219584. Its totient is φ = 47452088.

The previous prime is 72046399. The next prime is 72046421. The reversal of 72046407 is 70464027.

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 72046407 - 2³ = 72046399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72046487) 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, 144423 + ... + 144920.

It is an arithmetic number, because the mean of its divisors is an integer number (12152448).

Almost surely, 2^72046407 is an apocalyptic number.

72046407 is a deficient number, since it is larger than the sum of its proper divisors (25173177).

72046407 is a wasteful number, since it uses less digits than its factorization.

72046407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289429.

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

The square root of 72046407 is about 8488.0154924458. The cubic root of 72046407 is about 416.1061254605.

The spelling of 72046407 in words is "seventy-two million, forty-six thousand, four hundred seven".