45997073 has 4 divisors (see below), whose sum is σ = 46041408. Its totient is φ = 45952740.

The previous prime is 45997051. The next prime is 45997097. The reversal of 45997073 is 37079954.

It is a happy number.

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: 37079954 = 2 ⋅18539977.

It is a cyclic number.

It is not a de Polignac number, because 45997073 - 2⁶ = 45997009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45997013) 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, 20573 + ... + 22698.

It is an arithmetic number, because the mean of its divisors is an integer number (11510352).

Almost surely, 2^45997073 is an apocalyptic number.

It is an amenable number.

45997073 is a deficient number, since it is larger than the sum of its proper divisors (44335).

45997073 is a wasteful number, since it uses less digits than its factorization.

45997073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44334.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 45997073 is about 6782.1141983898. The cubic root of 45997073 is about 358.2971872439.

The spelling of 45997073 in words is "forty-five million, nine hundred ninety-seven thousand, seventy-three".