69396240 has 40 divisors (see below), whose sum is σ = 215129088. Its totient is φ = 18505600.

The previous prime is 69396163. The next prime is 69396253. The reversal of 69396240 is 4269396.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×69396240² = 9631676252275200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144336 + ... + 144815.

Almost surely, 2^69396240 is an apocalyptic number.

69396240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69396240 is an abundant number, since it is smaller than the sum of its proper divisors (145732848).

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

69396240 is a wasteful number, since it uses less digits than its factorization.

69396240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289167 (or 289161 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 69396240 is about 8330.4405645800. The cubic root of 69396240 is about 410.9402178012.

The spelling of 69396240 in words is "sixty-nine million, three hundred ninety-six thousand, two hundred forty".