69930072 has 24 divisors (see below), whose sum is σ = 189394140. Its totient is φ = 23310000.

The previous prime is 69930071. The next prime is 69930139. The reversal of 69930072 is 27003996.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69930071) 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, 485554 + ... + 485697.

Almost surely, 2^69930072 is an apocalyptic number.

It is an amenable number.

69930072 is an abundant number, since it is smaller than the sum of its proper divisors (119464068).

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

69930072 is a wasteful number, since it uses less digits than its factorization.

69930072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971263 (or 971256 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 69930072 is about 8362.4202238347. The cubic root of 69930072 is about 411.9912493821.

The spelling of 69930072 in words is "sixty-nine million, nine hundred thirty thousand, seventy-two".