23920074 has 12 divisors (see below), whose sum is σ = 51826866. Its totient is φ = 7973352.

The previous prime is 23920073. The next prime is 23920079. The reversal of 23920074 is 47002932.

It can be written as a sum of positive squares in only one way, i.e., 23765625 + 154449 = 4875^2 + 393^2 .

It is not an unprimeable number, because it can be changed into a prime (23920073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664429 + ... + 664464.

Almost surely, 2^23920074 is an apocalyptic number.

23920074 is an abundant number, since it is smaller than the sum of its proper divisors (27906792).

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

23920074 is a wasteful number, since it uses less digits than its factorization.

23920074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328901 (or 1328898 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 23920074 is about 4890.8152694617. The cubic root of 23920074 is about 288.1293545078.

The spelling of 23920074 in words is "twenty-three million, nine hundred twenty thousand, seventy-four".