70799040 has 336 divisors, whose sum is σ = 275149056. Its totient is φ = 16588800.

The previous prime is 70799017. The next prime is 70799041. The reversal of 70799040 is 4099707.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70798986 and 70799004.

It is not an unprimeable number, because it can be changed into a prime (70799041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1160610 + ... + 1160670.

It is an arithmetic number, because the mean of its divisors is an integer number (818896).

Almost surely, 2^70799040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137574528).

70799040 is an abundant number, since it is smaller than the sum of its proper divisors (204350016).

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

70799040 is a wasteful number, since it uses less digits than its factorization.

70799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 70799040 is about 8414.2165410690. The cubic root of 70799040 is about 413.6907303070.

The spelling of 70799040 in words is "seventy million, seven hundred ninety-nine thousand, forty".