45972379 has 2 divisors, whose sum is σ = 45972380. Its totient is φ = 45972378.

The previous prime is 45972373. The next prime is 45972397. The reversal of 45972379 is 97327954.

Together with next prime (45972397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45972379 - 2¹⁷ = 45841307 is a prime.

It is a super-2 number, since 2×45972379² = 4226919261839282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45972373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22986189 + 22986190.

It is an arithmetic number, because the mean of its divisors is an integer number (22986190).

Almost surely, 2^45972379 is an apocalyptic number.

45972379 is a deficient number, since it is larger than the sum of its proper divisors (1).

45972379 is an equidigital number, since it uses as much as digits as its factorization.

45972379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 45972379 is about 6780.2934302285. The cubic root of 45972379 is about 358.2330572607.

The spelling of 45972379 in words is "forty-five million, nine hundred seventy-two thousand, three hundred seventy-nine".