45973691 has 2 divisors, whose sum is σ = 45973692. Its totient is φ = 45973690.

The previous prime is 45973679. The next prime is 45973699. The reversal of 45973691 is 19637954.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45973691 is a prime.

It is a super-2 number, since 2×45973691² = 4227160528326962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45973699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22986845 + 22986846.

It is an arithmetic number, because the mean of its divisors is an integer number (22986846).

Almost surely, 2^45973691 is an apocalyptic number.

45973691 is a deficient number, since it is larger than the sum of its proper divisors (1).

45973691 is an equidigital number, since it uses as much as digits as its factorization.

45973691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 45973691 is about 6780.3901805132. The cubic root of 45973691 is about 358.2364650845.

It can be divided in two parts, 45973 and 691, that added together give a palindrome (46664).

The spelling of 45973691 in words is "forty-five million, nine hundred seventy-three thousand, six hundred ninety-one".