97490945 has 8 divisors (see below), whose sum is σ = 117053160. Its totient is φ = 77950080.

The previous prime is 97490923. The next prime is 97490959. The reversal of 97490945 is 54909479.

It can be written as a sum of positive squares in 4 ways, for example, as 3323329 + 94167616 = 1823^2 + 9704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97490945 - 2¹⁰ = 97489921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97490945.

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, 7541 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (14631645).

Almost surely, 2^97490945 is an apocalyptic number.

It is an amenable number.

97490945 is a deficient number, since it is larger than the sum of its proper divisors (19562215).

97490945 is a wasteful number, since it uses less digits than its factorization.

97490945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 97490945 is about 9873.7503006710. The cubic root of 97490945 is about 460.2439553495.

It can be divided in two parts, 974 and 90945, that added together give a palindrome (91919).

The spelling of 97490945 in words is "ninety-seven million, four hundred ninety thousand, nine hundred forty-five".