97906725 has 60 divisors (see below), whose sum is σ = 207295264. Its totient is φ = 44750880.

The previous prime is 97906709. The next prime is 97906727. The reversal of 97906725 is 52760979.

It is not a de Polignac number, because 97906725 - 2⁴ = 97906709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97906727) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 10722 + ... + 17628.

Almost surely, 2^97906725 is an apocalyptic number.

It is an amenable number.

97906725 is an abundant number, since it is smaller than the sum of its proper divisors (109388539).

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

97906725 is a wasteful number, since it uses less digits than its factorization.

97906725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 97906725 is about 9894.7827161591. The cubic root of 97906725 is about 460.8973111949.

The spelling of 97906725 in words is "ninety-seven million, nine hundred six thousand, seven hundred twenty-five".