97137469 has 24 divisors (see below), whose sum is σ = 118162520. Its totient is φ = 79263360.

The previous prime is 97137463. The next prime is 97137497. The reversal of 97137469 is 96473179.

It can be written as a sum of positive squares in 4 ways, for example, as 17749369 + 79388100 = 4213^2 + 8910^2 .

It is not a de Polignac number, because 97137469 - 2³ = 97137461 is a prime.

It is a super-2 number, since 2×97137469² = 18871375767451922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97137461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57367 + ... + 59035.

Almost surely, 2^97137469 is an apocalyptic number.

It is an amenable number.

97137469 is a deficient number, since it is larger than the sum of its proper divisors (21025051).

97137469 is a wasteful number, since it uses less digits than its factorization.

97137469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1730 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 97137469 is about 9855.8342619993. The cubic root of 97137469 is about 459.6870413818.

The spelling of 97137469 in words is "ninety-seven million, one hundred thirty-seven thousand, four hundred sixty-nine".