97726205 has 6 divisors (see below), whose sum is σ = 117297978. Its totient is φ = 78163280.

The previous prime is 97726193. The next prime is 97726231. The reversal of 97726205 is 50262779.

It can be written as a sum of positive squares in 3 ways, for example, as 38912644 + 58813561 = 6238^2 + 7669^2 .

It is not a de Polignac number, because 97726205 - 2⁶ = 97726141 is a prime.

It is a super-2 number, since 2×97726205² = 19100822287404050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19895 + ... + 24315.

It is an arithmetic number, because the mean of its divisors is an integer number (19549663).

Almost surely, 2^97726205 is an apocalyptic number.

It is an amenable number.

97726205 is a deficient number, since it is larger than the sum of its proper divisors (19571773).

97726205 is an frugal number, since it uses more digits than its factorization.

97726205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847 (or 4426 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 97726205 is about 9885.6565285266. The cubic root of 97726205 is about 460.6138700919.

The spelling of 97726205 in words is "ninety-seven million, seven hundred twenty-six thousand, two hundred five".