70997080 has 192 divisors, whose sum is σ = 210535200. Its totient is φ = 21288960.

The previous prime is 70997033. The next prime is 70997111. The reversal of 70997080 is 8079907.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 797676 + ... + 797764.

Almost surely, 2^70997080 is an apocalyptic number.

70997080 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 70997080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105267600).

70997080 is an abundant number, since it is smaller than the sum of its proper divisors (139538120).

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

70997080 is a wasteful number, since it uses less digits than its factorization.

70997080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 70997080 is about 8425.9765012727. The cubic root of 70997080 is about 414.0760982505.

The spelling of 70997080 in words is "seventy million, nine hundred ninety-seven thousand, eighty".