97726740 has 24 divisors (see below), whose sum is σ = 273635040. Its totient is φ = 26060448.

The previous prime is 97726721. The next prime is 97726751. The reversal of 97726740 is 4762779.

It is a super-2 number, since 2×97726740² = 19101031422055200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97726692 and 97726701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814330 + ... + 814449.

It is an arithmetic number, because the mean of its divisors is an integer number (11401460).

Almost surely, 2^97726740 is an apocalyptic number.

It is an amenable number.

97726740 is an abundant number, since it is smaller than the sum of its proper divisors (175908300).

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

97726740 is a wasteful number, since it uses less digits than its factorization.

97726740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628791 (or 1628789 counting only the distinct ones).

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

The square root of 97726740 is about 9885.6835878962. The cubic root of 97726740 is about 460.6147106306.

The spelling of 97726740 in words is "ninety-seven million, seven hundred twenty-six thousand, seven hundred forty".