73420246597 has 4 divisors (see below), whose sum is σ = 73844641260. Its totient is φ = 72995851936.

The previous prime is 73420246591. The next prime is 73420246609. The reversal of 73420246597 is 79564202437.

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 64086947716 + 9333298881 = 253154^2 + 96609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73420246597 is a prime.

It is a super-2 number, since 2×73420246597² (a number of 23 digits) contains 22 as substring.

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 73420246597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420246591) 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, 212197072 + ... + 212197417.

It is an arithmetic number, because the mean of its divisors is an integer number (18461160315).

Almost surely, 2^73420246597 is an apocalyptic number.

It is an amenable number.

73420246597 is a deficient number, since it is larger than the sum of its proper divisors (424394663).

73420246597 is a wasteful number, since it uses less digits than its factorization.

73420246597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424394662.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 73420246597 in words is "seventy-three billion, four hundred twenty million, two hundred forty-six thousand, five hundred ninety-seven".