65930631 has 8 divisors (see below), whose sum is σ = 94669680. Its totient is φ = 40572672.

The previous prime is 65930621. The next prime is 65930639. The reversal of 65930631 is 13603956.

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

It is not a de Polignac number, because 65930631 - 2⁹ = 65930119 is a prime.

It is a super-2 number, since 2×65930631² = 8693696208116322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65930592 and 65930601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65930639) 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, 845226 + ... + 845303.

It is an arithmetic number, because the mean of its divisors is an integer number (11833710).

Almost surely, 2^65930631 is an apocalyptic number.

65930631 is a deficient number, since it is larger than the sum of its proper divisors (28739049).

65930631 is a wasteful number, since it uses less digits than its factorization.

65930631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690545.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 65930631 is about 8119.7679154025. The cubic root of 65930631 is about 403.9823681976.

The spelling of 65930631 in words is "sixty-five million, nine hundred thirty thousand, six hundred thirty-one".