45723673 has 4 divisors (see below), whose sum is σ = 45798160. Its totient is φ = 45649188.

The previous prime is 45723653. The next prime is 45723703. The reversal of 45723673 is 37632754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37632754 = 2 ⋅18816377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45723673 is a prime.

It is a super-2 number, since 2×45723673² = 4181308545221858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45723653) 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, 36315 + ... + 37552.

It is an arithmetic number, because the mean of its divisors is an integer number (11449540).

Almost surely, 2^45723673 is an apocalyptic number.

It is an amenable number.

45723673 is a deficient number, since it is larger than the sum of its proper divisors (74487).

45723673 is an equidigital number, since it uses as much as digits as its factorization.

45723673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74486.

The product of its digits is 105840, while the sum is 37.

The square root of 45723673 is about 6761.9282013343. The cubic root of 45723673 is about 357.5858870699.

The spelling of 45723673 in words is "forty-five million, seven hundred twenty-three thousand, six hundred seventy-three".