52372730 has 8 divisors (see below), whose sum is σ = 94270932. Its totient is φ = 20949088.

The previous prime is 52372729. The next prime is 52372739. The reversal of 52372730 is 3727325.

It can be written as a sum of positive squares in 2 ways, for example, as 46607929 + 5764801 = 6827^2 + 2401^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 52372693 and 52372702.

It is not an unprimeable number, because it can be changed into a prime (52372739) 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, 2618627 + ... + 2618646.

Almost surely, 2^52372730 is an apocalyptic number.

52372730 is a deficient number, since it is larger than the sum of its proper divisors (41898202).

52372730 is a wasteful number, since it uses less digits than its factorization.

52372730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237280.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 52372730 is about 7236.9005796681. The cubic root of 52372730 is about 374.1408003133.

The spelling of 52372730 in words is "fifty-two million, three hundred seventy-two thousand, seven hundred thirty".