70997112 has 24 divisors (see below), whose sum is σ = 192284040. Its totient is φ = 23665680.

The previous prime is 70997111. The next prime is 70997131. The reversal of 70997112 is 21179907.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70997111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492964 + ... + 493107.

It is an arithmetic number, because the mean of its divisors is an integer number (8011835).

Almost surely, 2^70997112 is an apocalyptic number.

70997112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70997112 is an abundant number, since it is smaller than the sum of its proper divisors (121286928).

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

70997112 is a wasteful number, since it uses less digits than its factorization.

70997112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986083 (or 986076 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 70997112 is about 8425.9784001622. The cubic root of 70997112 is about 414.0761604616.

The spelling of 70997112 in words is "seventy million, nine hundred ninety-seven thousand, one hundred twelve".