97153740 has 36 divisors (see below), whose sum is σ = 294700224. Its totient is φ = 25907616.

The previous prime is 97153733. The next prime is 97153751. The reversal of 97153740 is 4735179.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 97153695 and 97153704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269692 + ... + 270051.

Almost surely, 2^97153740 is an apocalyptic number.

97153740 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97153740 is an abundant number, since it is smaller than the sum of its proper divisors (197546484).

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

97153740 is a wasteful number, since it uses less digits than its factorization.

97153740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539758 (or 539753 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 97153740 is about 9856.6596775987. The cubic root of 97153740 is about 459.7127065563.

The spelling of 97153740 in words is "ninety-seven million, one hundred fifty-three thousand, seven hundred forty".