97206774 has 64 divisors (see below), whose sum is σ = 235522560. Its totient is φ = 26127360.

The previous prime is 97206773. The next prime is 97206787. The reversal of 97206774 is 47760279.

It is a super-2 number, since 2×97206774² = 18898313822974152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97206773) 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, 144102 + ... + 144774.

It is an arithmetic number, because the mean of its divisors is an integer number (3680040).

Almost surely, 2^97206774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97206774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117761280).

97206774 is an abundant number, since it is smaller than the sum of its proper divisors (138315786).

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

97206774 is a wasteful number, since it uses less digits than its factorization.

97206774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 97206774 is about 9859.3495728674. The cubic root of 97206774 is about 459.7963402170.

The spelling of 97206774 in words is "ninety-seven million, two hundred six thousand, seven hundred seventy-four".