97520742 has 48 divisors (see below), whose sum is σ = 234877968. Its totient is φ = 28991040.

The previous prime is 97520741. The next prime is 97520743. The reversal of 97520742 is 24702579.

97520742 is a `hidden beast` number, since 97 + 520 + 7 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (97520741) and next prime (97520743).

It is a junction number, because it is equal to n+sod(n) for n = 97520697 and 97520706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97520741) 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 23 ways as a sum of consecutive naturals, for example, 5848 + ... + 15140.

It is an arithmetic number, because the mean of its divisors is an integer number (4893291).

Almost surely, 2^97520742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97520742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117438984).

97520742 is an abundant number, since it is smaller than the sum of its proper divisors (137357226).

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

97520742 is a wasteful number, since it uses less digits than its factorization.

97520742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 97520742 is about 9875.2590852089. The cubic root of 97520742 is about 460.2908400190.

The spelling of 97520742 in words is "ninety-seven million, five hundred twenty thousand, seven hundred forty-two".