97730461 has 4 divisors (see below), whose sum is σ = 97750300. Its totient is φ = 97710624.

The previous prime is 97730449. The next prime is 97730497. The reversal of 97730461 is 16403779.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39879225 + 57851236 = 6315^2 + 7606^2 .

It is a cyclic number.

It is not a de Polignac number, because 97730461 - 2⁷ = 97730333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97730461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97736461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (24437575).

Almost surely, 2^97730461 is an apocalyptic number.

It is an amenable number.

97730461 is a deficient number, since it is larger than the sum of its proper divisors (19839).

97730461 is a wasteful number, since it uses less digits than its factorization.

97730461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19838.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 97730461 is about 9885.8717875562. The cubic root of 97730461 is about 460.6205566102.

The spelling of 97730461 in words is "ninety-seven million, seven hundred thirty thousand, four hundred sixty-one".