97018740 has 144 divisors (see below), whose sum is σ = 362264448. Its totient is φ = 20466432.

The previous prime is 97018723. The next prime is 97018759. The reversal of 97018740 is 4781079.

It is a super-2 number, since 2×97018740² = 18825271822375200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 97018695 and 97018704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13419 + ... + 19341.

Almost surely, 2^97018740 is an apocalyptic number.

97018740 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97018740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181132224).

97018740 is an abundant number, since it is smaller than the sum of its proper divisors (265245708).

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

97018740 is a wasteful number, since it uses less digits than its factorization.

97018740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5958 (or 5953 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 97018740 is about 9849.8091352066. The cubic root of 97018740 is about 459.4996765576.

The spelling of 97018740 in words is "ninety-seven million, eighteen thousand, seven hundred forty".