97042490 has 32 divisors (see below), whose sum is σ = 183801744. Its totient is φ = 36840960.

The previous prime is 97042489. The next prime is 97042501. The reversal of 97042490 is 9424079.

It can be written as a sum of positive squares in 8 ways, for example, as 9114361 + 87928129 = 3019^2 + 9377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97042490.

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 15 ways as a sum of consecutive naturals, for example, 11972 + ... + 18368.

Almost surely, 2^97042490 is an apocalyptic number.

97042490 is a deficient number, since it is larger than the sum of its proper divisors (86759254).

97042490 is a wasteful number, since it uses less digits than its factorization.

97042490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 97042490 is about 9851.0146685506. The cubic root of 97042490 is about 459.5371683759.

The spelling of 97042490 in words is "ninety-seven million, forty-two thousand, four hundred ninety".