97672770 has 64 divisors (see below), whose sum is σ = 280506240. Its totient is φ = 24041664.

The previous prime is 97672753. The next prime is 97672777. The reversal of 97672770 is 7727679.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97672777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10404 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (4382910).

Almost surely, 2^97672770 is an apocalyptic number.

97672770 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97672770 is an abundant number, since it is smaller than the sum of its proper divisors (182833470).

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

97672770 is a wasteful number, since it uses less digits than its factorization.

97672770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27856 (or 27850 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 97672770 is about 9882.9535059111. The cubic root of 97672770 is about 460.5299028848.

The spelling of 97672770 in words is "ninety-seven million, six hundred seventy-two thousand, seven hundred seventy".