90970371 has 20 divisors (see below), whose sum is σ = 137431800. Its totient is φ = 59960736.

The previous prime is 90970367. The next prime is 90970381. The reversal of 90970371 is 17307909.

It is not a de Polignac number, because 90970371 - 2² = 90970367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90970301) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 900 + ... + 13518.

It is an arithmetic number, because the mean of its divisors is an integer number (6871590).

Almost surely, 2^90970371 is an apocalyptic number.

90970371 is a deficient number, since it is larger than the sum of its proper divisors (46461429).

90970371 is a wasteful number, since it uses less digits than its factorization.

90970371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12720 (or 12711 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 90970371 is about 9537.8389061674. The cubic root of 90970371 is about 449.7453225592.

The spelling of 90970371 in words is "ninety million, nine hundred seventy thousand, three hundred seventy-one".