73012580478 has 12 divisors (see below), whose sum is σ = 158193924408. Its totient is φ = 24337526820.

The previous prime is 73012580477. The next prime is 73012580479. The reversal of 73012580478 is 87408521037.

It is an interprime number because it is at equal distance from previous prime (73012580477) and next prime (73012580479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73012580477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2028127218 + ... + 2028127253.

It is an arithmetic number, because the mean of its divisors is an integer number (13182827034).

Almost surely, 2^73012580478 is an apocalyptic number.

73012580478 is an abundant number, since it is smaller than the sum of its proper divisors (85181343930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73012580478 is a wasteful number, since it uses less digits than its factorization.

73012580478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056254479 (or 4056254476 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 73012580478 in words is "seventy-three billion, twelve million, five hundred eighty thousand, four hundred seventy-eight".