45621697 has 16 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 40504720.

The previous prime is 45621683. The next prime is 45621701. The reversal of 45621697 is 79612654.

It is a cyclic number.

It is not a de Polignac number, because 45621697 - 2¹⁵ = 45588929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45621617) 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, 97458 + ... + 97924.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2^45621697 is an apocalyptic number.

It is an amenable number.

45621697 is a deficient number, since it is larger than the sum of its proper divisors (5326655).

45621697 is a wasteful number, since it uses less digits than its factorization.

45621697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its digits is 90720, while the sum is 40.

The square root of 45621697 is about 6754.3835395986. The cubic root of 45621697 is about 357.3198518581.

The spelling of 45621697 in words is "forty-five million, six hundred twenty-one thousand, six hundred ninety-seven".