69620964 has 72 divisors (see below), whose sum is σ = 190370880. Its totient is φ = 19744704.

The previous prime is 69620953. The next prime is 69620987. The reversal of 69620964 is 46902696.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97842 + ... + 98550.

It is an arithmetic number, because the mean of its divisors is an integer number (2644040).

Almost surely, 2^69620964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69620964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95185440).

69620964 is an abundant number, since it is smaller than the sum of its proper divisors (120749916).

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

69620964 is a wasteful number, since it uses less digits than its factorization.

69620964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 69620964 is about 8343.9177848299. The cubic root of 69620964 is about 411.3833187801.

The spelling of 69620964 in words is "sixty-nine million, six hundred twenty thousand, nine hundred sixty-four".