61630753 has 4 divisors (see below), whose sum is σ = 61655040. Its totient is φ = 61606468.

The previous prime is 61630741. The next prime is 61630781. The reversal of 61630753 is 35703616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61630753 - 2⁹ = 61630241 is a prime.

It is a super-3 number, since 3×61630753³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61636753) 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, 7825 + ... + 13582.

It is an arithmetic number, because the mean of its divisors is an integer number (15413760).

Almost surely, 2^61630753 is an apocalyptic number.

It is an amenable number.

61630753 is a deficient number, since it is larger than the sum of its proper divisors (24287).

61630753 is a wasteful number, since it uses less digits than its factorization.

61630753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24286.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 61630753 is about 7850.5256511905. The cubic root of 61630753 is about 395.0018757589.

The spelling of 61630753 in words is "sixty-one million, six hundred thirty thousand, seven hundred fifty-three".