97247280 has 160 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 23546880.

The previous prime is 97247261. The next prime is 97247287. The reversal of 97247280 is 8274279.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97247287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221301 + ... + 221739.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2^97247280 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 97247280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440).

97247280 is an abundant number, since it is smaller than the sum of its proper divisors (232731600).

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

97247280 is a wasteful number, since it uses less digits than its factorization.

97247280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 97247280 is about 9861.4035512193. The cubic root of 97247280 is about 459.8601969609.

The spelling of 97247280 in words is "ninety-seven million, two hundred forty-seven thousand, two hundred eighty".