23972070 has 32 divisors (see below), whose sum is σ = 58874112. Its totient is φ = 6243552.

The previous prime is 23972063. The next prime is 23972071. The reversal of 23972070 is 7027932.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23972071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8002 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (1839816).

Almost surely, 2^23972070 is an apocalyptic number.

23972070 is an abundant number, since it is smaller than the sum of its proper divisors (34902042).

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

23972070 is a wasteful number, since it uses less digits than its factorization.

23972070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18636.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 23972070 is about 4896.1280620507. The cubic root of 23972070 is about 288.3379760985.

The spelling of 23972070 in words is "twenty-three million, nine hundred seventy-two thousand, seventy".