45704487 has 4 divisors (see below), whose sum is σ = 60939320. Its totient is φ = 30469656.

The previous prime is 45704479. The next prime is 45704501. The reversal of 45704487 is 78440754.

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

It is not a de Polignac number, because 45704487 - 2³ = 45704479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45704387) 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, 7617412 + ... + 7617417.

It is an arithmetic number, because the mean of its divisors is an integer number (15234830).

Almost surely, 2^45704487 is an apocalyptic number.

45704487 is a deficient number, since it is larger than the sum of its proper divisors (15234833).

45704487 is a wasteful number, since it uses less digits than its factorization.

45704487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234832.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 45704487 is about 6760.5093743001. The cubic root of 45704487 is about 357.5358648225.

The spelling of 45704487 in words is "forty-five million, seven hundred four thousand, four hundred eighty-seven".