68292153 has 10 divisors (see below), whose sum is σ = 102016794. Its totient is φ = 45528048.

The previous prime is 68292149. The next prime is 68292173. The reversal of 68292153 is 35129286.

It can be written as a sum of positive squares in only one way, i.e., 62299449 + 5992704 = 7893^2 + 2448^2 .

It is not a de Polignac number, because 68292153 - 2² = 68292149 is a prime.

It is a super-2 number, since 2×68292153² = 9327636322750818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68292113) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 421476 + ... + 421637.

Almost surely, 2^68292153 is an apocalyptic number.

It is an amenable number.

68292153 is a deficient number, since it is larger than the sum of its proper divisors (33724641).

68292153 is an equidigital number, since it uses as much as digits as its factorization.

68292153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843125 (or 843116 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 68292153 is about 8263.9066427447. The cubic root of 68292153 is about 408.7492180778.

The spelling of 68292153 in words is "sixty-eight million, two hundred ninety-two thousand, one hundred fifty-three".