70880880 has 160 divisors (see below), whose sum is σ = 259411968. Its totient is φ = 15667200.

The previous prime is 70880879. The next prime is 70880881. The reversal of 70880880 is 8808807.

It is an interprime number because it is at equal distance from previous prime (70880879) and next prime (70880881).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70880881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51400 + ... + 52760.

Almost surely, 2^70880880 is an apocalyptic number.

70880880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70880880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129705984).

70880880 is an abundant number, since it is smaller than the sum of its proper divisors (188531088).

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

70880880 is a wasteful number, since it uses less digits than its factorization.

70880880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 70880880 is about 8419.0783343547. The cubic root of 70880880 is about 413.8500705669.

The spelling of 70880880 in words is "seventy million, eight hundred eighty thousand, eight hundred eighty".