97720750 has 16 divisors (see below), whose sum is σ = 182933712. Its totient is φ = 39088200.

The previous prime is 97720673. The next prime is 97720751. The reversal of 97720750 is 5702779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97720751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195192 + ... + 195691.

It is an arithmetic number, because the mean of its divisors is an integer number (11433357).

Almost surely, 2^97720750 is an apocalyptic number.

97720750 is a deficient number, since it is larger than the sum of its proper divisors (85212962).

97720750 is a wasteful number, since it uses less digits than its factorization.

97720750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390900 (or 390890 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 97720750 is about 9885.3806198851. The cubic root of 97720750 is about 460.6052995643.

The spelling of 97720750 in words is "ninety-seven million, seven hundred twenty thousand, seven hundred fifty".