97617420 has 48 divisors (see below), whose sum is σ = 303700320. Its totient is φ = 26031168.

The previous prime is 97617413. The next prime is 97617431. The reversal of 97617420 is 2471679.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89847 + ... + 90926.

It is an arithmetic number, because the mean of its divisors is an integer number (6327090).

Almost surely, 2^97617420 is an apocalyptic number.

97617420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97617420 is an abundant number, since it is smaller than the sum of its proper divisors (206082900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97617420 is a wasteful number, since it uses less digits than its factorization.

97617420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180791 (or 180783 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 97617420 is about 9880.1528328260. The cubic root of 97617420 is about 460.4428941696.

The spelling of 97617420 in words is "ninety-seven million, six hundred seventeen thousand, four hundred twenty".