97974763 has 4 divisors (see below), whose sum is σ = 98120160. Its totient is φ = 97829368.

The previous prime is 97974749. The next prime is 97974803. The reversal of 97974763 is 36747979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36747979 = 1193 ⋅30803.

It is a cyclic number.

It is not a de Polignac number, because 97974763 - 2¹³ = 97966571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97974763.

It is not an unprimeable number, because it can be changed into a prime (97974463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71683 + ... + 73036.

It is an arithmetic number, because the mean of its divisors is an integer number (24530040).

Almost surely, 2^97974763 is an apocalyptic number.

97974763 is a deficient number, since it is larger than the sum of its proper divisors (145397).

97974763 is a wasteful number, since it uses less digits than its factorization.

97974763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145396.

The product of its digits is 2000376, while the sum is 52.

The square root of 97974763 is about 9898.2201935499. The cubic root of 97974763 is about 461.0040497603.

The spelling of 97974763 in words is "ninety-seven million, nine hundred seventy-four thousand, seven hundred sixty-three".