97020000 has 540 divisors, whose sum is σ = 437513076. Its totient is φ = 20160000.

The previous prime is 97019983. The next prime is 97020017. The reversal of 97020000 is 2079.

97020000 = 36³ + 37³ + ... + 140³.

It is an interprime number because it is at equal distance from previous prime (97019983) and next prime (97020017).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 8819995 + ... + 8820005.

Almost surely, 2^97020000 is an apocalyptic number.

97020000 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 97020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218756538).

97020000 is an abundant number, since it is smaller than the sum of its proper divisors (340493076).

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

97020000 is a wasteful number, since it uses less digits than its factorization.

97020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 97020000 is about 9849.8730956292. The cubic root of 97020000 is about 459.5016657509.

Adding to 97020000 its reverse (2079), we get a palindrome (97022079).

The spelling of 97020000 in words is "ninety-seven million, twenty thousand".