69420764 has 24 divisors (see below), whose sum is σ = 140195328. Its totient is φ = 29461680.

The previous prime is 69420763. The next prime is 69420779. The reversal of 69420764 is 46702496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69420763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9152 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (5841472).

Almost surely, 2^69420764 is an apocalyptic number.

It is an amenable number.

69420764 is an abundant number, since it is smaller than the sum of its proper divisors (70774564).

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

69420764 is a wasteful number, since it uses less digits than its factorization.

69420764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24185 (or 24183 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 69420764 is about 8331.9123855211. The cubic root of 69420764 is about 410.9886196118.

The spelling of 69420764 in words is "sixty-nine million, four hundred twenty thousand, seven hundred sixty-four".