69806464 has 96 divisors (see below), whose sum is σ = 172473840. Its totient is φ = 27555840.

The previous prime is 69806447. The next prime is 69806483. The reversal of 69806464 is 46460896.

It is a self number, because there is not a number n which added to its sum of digits gives 69806464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151194 + ... + 151654.

Almost surely, 2^69806464 is an apocalyptic number.

69806464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69806464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86236920).

69806464 is an abundant number, since it is smaller than the sum of its proper divisors (102667376).

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

69806464 is a wasteful number, since it uses less digits than its factorization.

69806464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 69806464 is about 8355.0262716523. The cubic root of 69806464 is about 411.7483617490.

The spelling of 69806464 in words is "sixty-nine million, eight hundred six thousand, four hundred sixty-four".