70997122 has 16 divisors (see below), whose sum is σ = 122164992. Its totient is φ = 30313440.

The previous prime is 70997111. The next prime is 70997131. The reversal of 70997122 is 22179907.

It is a super-3 number, since 3×70997122³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (7635312).

Almost surely, 2^70997122 is an apocalyptic number.

70997122 is a deficient number, since it is larger than the sum of its proper divisors (51167870).

70997122 is a wasteful number, since it uses less digits than its factorization.

70997122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18993.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 70997122 is about 8425.9789935651. The cubic root of 70997122 is about 414.0761799026.

The spelling of 70997122 in words is "seventy million, nine hundred ninety-seven thousand, one hundred twenty-two".