70899336 has 48 divisors (see below), whose sum is σ = 202129200. Its totient is φ = 22388832.

The previous prime is 70899331. The next prime is 70899343. The reversal of 70899336 is 63399807.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70899291 and 70899300.

It is not an unprimeable number, because it can be changed into a prime (70899331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24546 + ... + 27281.

It is an arithmetic number, because the mean of its divisors is an integer number (4211025).

Almost surely, 2^70899336 is an apocalyptic number.

70899336 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70899336 is an abundant number, since it is smaller than the sum of its proper divisors (131229864).

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

70899336 is a wasteful number, since it uses less digits than its factorization.

70899336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51858 (or 51851 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 70899336 is about 8420.1743449884. The cubic root of 70899336 is about 413.8859869479.

The spelling of 70899336 in words is "seventy million, eight hundred ninety-nine thousand, three hundred thirty-six".