97207040 has 144 divisors (see below), whose sum is σ = 280600320. Its totient is φ = 31518720.

The previous prime is 97207001. The next prime is 97207063. The reversal of 97207040 is 4070279.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 97206994 and 97207012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169955 + ... + 170525.

Almost surely, 2^97207040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140300160).

97207040 is an abundant number, since it is smaller than the sum of its proper divisors (183393280).

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

97207040 is a wasteful number, since it uses less digits than its factorization.

97207040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 97207040 is about 9859.3630625918. The cubic root of 97207040 is about 459.7967596175.

The spelling of 97207040 in words is "ninety-seven million, two hundred seven thousand, forty".