97149672 has 32 divisors (see below), whose sum is σ = 269860800. Its totient is φ = 32383152.

The previous prime is 97149659. The next prime is 97149683. The reversal of 97149672 is 27694179.

97149672 is a `hidden beast` number, since 97 + 1 + 496 + 72 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224668 + ... + 225099.

It is an arithmetic number, because the mean of its divisors is an integer number (8433150).

Almost surely, 2^97149672 is an apocalyptic number.

It is an amenable number.

97149672 is an abundant number, since it is smaller than the sum of its proper divisors (172711128).

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

97149672 is a wasteful number, since it uses less digits than its factorization.

97149672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449782 (or 449772 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 97149672 is about 9856.4533174971. The cubic root of 97149672 is about 459.7062901370.

It can be divided in two parts, 97 and 149672, that added together give a square (149769 = 387²).

The spelling of 97149672 in words is "ninety-seven million, one hundred forty-nine thousand, six hundred seventy-two".