69897020 has 12 divisors (see below), whose sum is σ = 146783784. Its totient is φ = 27958800.

The previous prime is 69897019. The next prime is 69897077. The reversal of 69897020 is 2079896.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747406 + ... + 1747445.

It is an arithmetic number, because the mean of its divisors is an integer number (12231982).

Almost surely, 2^69897020 is an apocalyptic number.

It is an amenable number.

69897020 is an abundant number, since it is smaller than the sum of its proper divisors (76886764).

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

69897020 is a wasteful number, since it uses less digits than its factorization.

69897020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494860 (or 3494858 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 69897020 is about 8360.4437681262. The cubic root of 69897020 is about 411.9263308128.

The spelling of 69897020 in words is "sixty-nine million, eight hundred ninety-seven thousand, twenty".