45726891 has 16 divisors (see below), whose sum is σ = 71927808. Its totient is φ = 25286400.

The previous prime is 45726887. The next prime is 45726893. The reversal of 45726891 is 19862754.

It is not a de Polignac number, because 45726891 - 2² = 45726887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45726893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34470 + ... + 35771.

It is an arithmetic number, because the mean of its divisors is an integer number (4495488).

Almost surely, 2^45726891 is an apocalyptic number.

45726891 is a deficient number, since it is larger than the sum of its proper divisors (26200917).

45726891 is a wasteful number, since it uses less digits than its factorization.

45726891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70282.

The product of its digits is 120960, while the sum is 42.

The square root of 45726891 is about 6762.1661470271. The cubic root of 45726891 is about 357.5942757543.

The spelling of 45726891 in words is "forty-five million, seven hundred twenty-six thousand, eight hundred ninety-one".