97012990 has 16 divisors (see below), whose sum is σ = 175396752. Its totient is φ = 38633344.

The previous prime is 97012963. The next prime is 97013003. The reversal of 97012990 is 9921079.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19099 + ... + 23638.

It is an arithmetic number, because the mean of its divisors is an integer number (10962297).

Almost surely, 2^97012990 is an apocalyptic number.

97012990 is a deficient number, since it is larger than the sum of its proper divisors (78383762).

97012990 is a wasteful number, since it uses less digits than its factorization.

97012990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42971.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 97012990 is about 9849.5172470533. The cubic root of 97012990 is about 459.4905986710.

The spelling of 97012990 in words is "ninety-seven million, twelve thousand, nine hundred ninety".