97630905 has 8 divisors (see below), whose sum is σ = 156209472. Its totient is φ = 52069808.

The previous prime is 97630903. The next prime is 97630937. The reversal of 97630905 is 50903679.

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

It is a cyclic number.

It is not a de Polignac number, because 97630905 - 2¹ = 97630903 is a prime.

It is a super-2 number, since 2×97630905² = 19063587222238050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97630903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3254349 + ... + 3254378.

It is an arithmetic number, because the mean of its divisors is an integer number (19526184).

Almost surely, 2^97630905 is an apocalyptic number.

It is an amenable number.

97630905 is a deficient number, since it is larger than the sum of its proper divisors (58578567).

97630905 is a wasteful number, since it uses less digits than its factorization.

97630905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6508735.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 97630905 is about 9880.8352379746. The cubic root of 97630905 is about 460.4640952577.

The spelling of 97630905 in words is "ninety-seven million, six hundred thirty thousand, nine hundred five".