45972507 has 8 divisors (see below), whose sum is σ = 70053376. Its totient is φ = 26269992.

The previous prime is 45972503. The next prime is 45972523. The reversal of 45972507 is 70527954.

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

It is not a de Polignac number, because 45972507 - 2² = 45972503 is a prime.

It is a super-2 number, since 2×45972507² = 4226942799730098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45972503) 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, 1094563 + ... + 1094604.

It is an arithmetic number, because the mean of its divisors is an integer number (8756672).

Almost surely, 2^45972507 is an apocalyptic number.

45972507 is a deficient number, since it is larger than the sum of its proper divisors (24080869).

45972507 is a wasteful number, since it uses less digits than its factorization.

45972507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189177.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 45972507 is about 6780.3028693415. The cubic root of 45972507 is about 358.2333897342.

The spelling of 45972507 in words is "forty-five million, nine hundred seventy-two thousand, five hundred seven".