45752690 has 8 divisors (see below), whose sum is σ = 82354860. Its totient is φ = 18301072.

The previous prime is 45752689. The next prime is 45752699. The reversal of 45752690 is 9625754.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41977441 + 3775249 = 6479^2 + 1943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45752690² = 4186617284472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45752699) 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, 2287625 + ... + 2287644.

Almost surely, 2^45752690 is an apocalyptic number.

45752690 is a deficient number, since it is larger than the sum of its proper divisors (36602170).

45752690 is a wasteful number, since it uses less digits than its factorization.

45752690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575276.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 45752690 is about 6764.0734768333. The cubic root of 45752690 is about 357.6615143824.

The spelling of 45752690 in words is "forty-five million, seven hundred fifty-two thousand, six hundred ninety".