45742207 has 4 divisors (see below), whose sum is σ = 52276816. Its totient is φ = 39207600.

The previous prime is 45742199. The next prime is 45742211. The reversal of 45742207 is 70224754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45742207 - 2³ = 45742199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45742217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3267294 + ... + 3267307.

It is an arithmetic number, because the mean of its divisors is an integer number (13069204).

Almost surely, 2^45742207 is an apocalyptic number.

45742207 is a deficient number, since it is larger than the sum of its proper divisors (6534609).

45742207 is an equidigital number, since it uses as much as digits as its factorization.

45742207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534608.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 45742207 is about 6763.2985295638. The cubic root of 45742207 is about 357.6341961194.

The spelling of 45742207 in words is "forty-five million, seven hundred forty-two thousand, two hundred seven".