45772397 has 8 divisors (see below), whose sum is σ = 50080800. Its totient is φ = 41488560.

The previous prime is 45772379. The next prime is 45772409. The reversal of 45772397 is 79327754.

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 45772397 - 2⁶ = 45772333 is a prime.

It is a super-2 number, since 2×45772397² = 4190224654251218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45772327) 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, 2123 + ... + 9800.

It is an arithmetic number, because the mean of its divisors is an integer number (6260100).

Almost surely, 2^45772397 is an apocalyptic number.

It is an amenable number.

45772397 is a deficient number, since it is larger than the sum of its proper divisors (4308403).

45772397 is a wasteful number, since it uses less digits than its factorization.

45772397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283.

The product of its digits is 370440, while the sum is 44.

The square root of 45772397 is about 6765.5300605348. The cubic root of 45772397 is about 357.7128587129.

The spelling of 45772397 in words is "forty-five million, seven hundred seventy-two thousand, three hundred ninety-seven".