97670722 has 4 divisors (see below), whose sum is σ = 146506086. Its totient is φ = 48835360.

The previous prime is 97670707. The next prime is 97670723. The reversal of 97670722 is 22707679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22707679 = 19 ⋅1195141.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 37933281 = 7729^2 + 6159^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (97670723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24417679 + ... + 24417682.

Almost surely, 2^97670722 is an apocalyptic number.

97670722 is a deficient number, since it is larger than the sum of its proper divisors (48835364).

97670722 is a wasteful number, since it uses less digits than its factorization.

97670722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48835363.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 97670722 is about 9882.8498926170. The cubic root of 97670722 is about 460.5266840694.

The spelling of 97670722 in words is "ninety-seven million, six hundred seventy thousand, seven hundred twenty-two".