73140972307 has 8 divisors (see below), whose sum is σ = 78780134160. Its totient is φ = 67503658080.

The previous prime is 73140972299. The next prime is 73140972319. The reversal of 73140972307 is 70327904137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73140972307 - 2³ = 73140972299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73140372307) 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, 379132 + ... + 538537.

It is an arithmetic number, because the mean of its divisors is an integer number (9847516770).

Almost surely, 2^73140972307 is an apocalyptic number.

73140972307 is a deficient number, since it is larger than the sum of its proper divisors (5639161853).

73140972307 is a wasteful number, since it uses less digits than its factorization.

73140972307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923813.

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 73140972307 in words is "seventy-three billion, one hundred forty million, nine hundred seventy-two thousand, three hundred seven".