45724319 has 8 divisors (see below), whose sum is σ = 47354112. Its totient is φ = 44123040.

The previous prime is 45724309. The next prime is 45724379. The reversal of 45724319 is 91342754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45724319 - 2⁴ = 45724303 is a prime.

It is a super-2 number, since 2×45724319² = 4181426696027522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45724309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (5919264).

Almost surely, 2^45724319 is an apocalyptic number.

45724319 is a deficient number, since it is larger than the sum of its proper divisors (1629793).

45724319 is a wasteful number, since it uses less digits than its factorization.

45724319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257.

The product of its digits is 30240, while the sum is 35.

The square root of 45724319 is about 6761.9759686056. The cubic root of 45724319 is about 357.5875710947.

The spelling of 45724319 in words is "forty-five million, seven hundred twenty-four thousand, three hundred nineteen".