45972698 has 4 divisors (see below), whose sum is σ = 68959050. Its totient is φ = 22986348.

The previous prime is 45972697. The next prime is 45972727. The reversal of 45972698 is 89627954.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 36566209 + 9406489 = 6047^2 + 3067^2 .

It is a super-2 number, since 2×45972698² = 4226977922798408, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45972697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11493173 + ... + 11493176.

Almost surely, 2^45972698 is an apocalyptic number.

45972698 is a deficient number, since it is larger than the sum of its proper divisors (22986352).

45972698 is a wasteful number, since it uses less digits than its factorization.

45972698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986351.

The product of its digits is 1088640, while the sum is 50.

The square root of 45972698 is about 6780.3169542434. The cubic root of 45972698 is about 358.2338858458.

The spelling of 45972698 in words is "forty-five million, nine hundred seventy-two thousand, six hundred ninety-eight".