45612073 has 4 divisors (see below), whose sum is σ = 49120708. Its totient is φ = 42103440.

The previous prime is 45612023. The next prime is 45612107. The reversal of 45612073 is 37021654.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9467929 + 36144144 = 3077^2 + 6012^2 .

It is a cyclic number.

It is not a de Polignac number, because 45612073 - 2¹³ = 45603881 is a prime.

It is a super-2 number, since 2×45612073² = 4160922406714658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45612023) 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, 1754298 + ... + 1754323.

It is an arithmetic number, because the mean of its divisors is an integer number (12280177).

Almost surely, 2^45612073 is an apocalyptic number.

It is an amenable number.

45612073 is a deficient number, since it is larger than the sum of its proper divisors (3508635).

45612073 is a wasteful number, since it uses less digits than its factorization.

45612073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508634.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 45612073 is about 6753.6710757928. The cubic root of 45612073 is about 357.2947242813.

The spelling of 45612073 in words is "forty-five million, six hundred twelve thousand, seventy-three".