73964980597 has 4 divisors (see below), whose sum is σ = 75769004556. Its totient is φ = 72160956640.

The previous prime is 73964980571. The next prime is 73964980603. The reversal of 73964980597 is 79508946937.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37900691761 + 36064288836 = 194681^2 + 189906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73964980597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73964983597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902011918 + ... + 902011999.

It is an arithmetic number, because the mean of its divisors is an integer number (18942251139).

Almost surely, 2^73964980597 is an apocalyptic number.

It is an amenable number.

73964980597 is a deficient number, since it is larger than the sum of its proper divisors (1804023959).

73964980597 is a wasteful number, since it uses less digits than its factorization.

73964980597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804023958.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 73964980597 in words is "seventy-three billion, nine hundred sixty-four million, nine hundred eighty thousand, five hundred ninety-seven".