23620734 has 20 divisors (see below), whose sum is σ = 52928304. Its totient is φ = 7873524.

The previous prime is 23620733. The next prime is 23620739. The reversal of 23620734 is 43702632.

23620734 is a `hidden beast` number, since 2 + 3 + 620 + 7 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23620698 and 23620707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23620733) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 72742 + ... + 73065.

Almost surely, 2^23620734 is an apocalyptic number.

23620734 is an abundant number, since it is smaller than the sum of its proper divisors (29307570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23620734 is a wasteful number, since it uses less digits than its factorization.

23620734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145821 (or 145812 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 23620734 is about 4860.1166652664. The cubic root of 23620734 is about 286.9224053404.

The spelling of 23620734 in words is "twenty-three million, six hundred twenty thousand, seven hundred thirty-four".