45637726 has 4 divisors (see below), whose sum is σ = 68456592. Its totient is φ = 22818862.

The previous prime is 45637723. The next prime is 45637729. The reversal of 45637726 is 62773654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62773654 = 2 ⋅31386827.

It is an interprime number because it is at equal distance from previous prime (45637723) and next prime (45637729).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45637721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11409430 + ... + 11409433.

It is an arithmetic number, because the mean of its divisors is an integer number (17114148).

Almost surely, 2^45637726 is an apocalyptic number.

45637726 is a deficient number, since it is larger than the sum of its proper divisors (22818866).

45637726 is a wasteful number, since it uses less digits than its factorization.

45637726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22818865.

The product of its digits is 211680, while the sum is 40.

The square root of 45637726 is about 6755.5699981571. The cubic root of 45637726 is about 357.3616945897.

The spelling of 45637726 in words is "forty-five million, six hundred thirty-seven thousand, seven hundred twenty-six".