97726972 has 36 divisors (see below), whose sum is σ = 200033064. Its totient is φ = 41653920.

The previous prime is 97726963. The next prime is 97726987. The reversal of 97726972 is 27962779.

It is a super-2 number, since 2×97726972² = 19101122112577568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37347 + ... + 39877.

It is an arithmetic number, because the mean of its divisors is an integer number (5556474).

Almost surely, 2^97726972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97726972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100016532).

97726972 is an abundant number, since it is smaller than the sum of its proper divisors (102306092).

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

97726972 is a wasteful number, since it uses less digits than its factorization.

97726972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2737 counting only the distinct ones).

The product of its digits is 666792, while the sum is 49.

The square root of 97726972 is about 9885.6953220297. The cubic root of 97726972 is about 460.6150751249.

The spelling of 97726972 in words is "ninety-seven million, seven hundred twenty-six thousand, nine hundred seventy-two".