97831734 has 144 divisors (see below), whose sum is σ = 270371520. Its totient is φ = 23325120.

The previous prime is 97831733. The next prime is 97831757. The reversal of 97831734 is 43713879.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97831733) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 546457 + ... + 546635.

It is an arithmetic number, because the mean of its divisors is an integer number (1877580).

Almost surely, 2^97831734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97831734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135185760).

97831734 is an abundant number, since it is smaller than the sum of its proper divisors (172539786).

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

97831734 is a wasteful number, since it uses less digits than its factorization.

97831734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 215 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 97831734 is about 9890.9925689993. The cubic root of 97831734 is about 460.7796074025.

The spelling of 97831734 in words is "ninety-seven million, eight hundred thirty-one thousand, seven hundred thirty-four".