97722480 has 40 divisors (see below), whose sum is σ = 302940432. Its totient is φ = 26059264.

The previous prime is 97722473. The next prime is 97722481. The reversal of 97722480 is 8422779.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97722481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203349 + ... + 203828.

Almost surely, 2^97722480 is an apocalyptic number.

It is an amenable number.

97722480 is an abundant number, since it is smaller than the sum of its proper divisors (205217952).

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

97722480 is a wasteful number, since it uses less digits than its factorization.

97722480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407193 (or 407187 counting only the distinct ones).

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

The square root of 97722480 is about 9885.4681224513. The cubic root of 97722480 is about 460.6080176580.

The spelling of 97722480 in words is "ninety-seven million, seven hundred twenty-two thousand, four hundred eighty".