69690402 has 16 divisors (see below), whose sum is σ = 154867680. Its totient is φ = 23230116.

The previous prime is 69690373. The next prime is 69690407. The reversal of 69690402 is 20409696.

It is not an unprimeable number, because it can be changed into a prime (69690407) 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, 645228 + ... + 645335.

It is an arithmetic number, because the mean of its divisors is an integer number (9679230).

Almost surely, 2^69690402 is an apocalyptic number.

69690402 is an abundant number, since it is smaller than the sum of its proper divisors (85177278).

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

69690402 is a wasteful number, since it uses less digits than its factorization.

69690402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290574 (or 1290568 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 69690402 is about 8348.0777428100. The cubic root of 69690402 is about 411.5200407368.

The spelling of 69690402 in words is "sixty-nine million, six hundred ninety thousand, four hundred two".