69864948 has 36 divisors (see below), whose sum is σ = 182302848. Its totient is φ = 22536720.

The previous prime is 69864887. The next prime is 69864959. The reversal of 69864948 is 84946896.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×69864948² = 9762221918085408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69864894 and 69864903.

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, 30186 + ... + 32417.

It is an arithmetic number, because the mean of its divisors is an integer number (5063968).

Almost surely, 2^69864948 is an apocalyptic number.

It is an amenable number.

69864948 is an abundant number, since it is smaller than the sum of its proper divisors (112437900).

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

69864948 is a wasteful number, since it uses less digits than its factorization.

69864948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62644 (or 62639 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 69864948 is about 8358.5254680476. The cubic root of 69864948 is about 411.8633175281.

The spelling of 69864948 in words is "sixty-nine million, eight hundred sixty-four thousand, nine hundred forty-eight".