73070303472 has 50 divisors (see below), whose sum is σ = 211486661408. Its totient is φ = 24356767392.

The previous prime is 73070303461. The next prime is 73070303503. The reversal of 73070303472 is 27430307037.

73070303472 is a `hidden beast` number, since 7 + 307 + 0 + 3 + 0 + 347 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28189408 + ... + 28191999.

Almost surely, 2^73070303472 is an apocalyptic number.

73070303472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73070303472 is an abundant number, since it is smaller than the sum of its proper divisors (138416357936).

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

73070303472 is a wasteful number, since it uses less digits than its factorization.

73070303472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56381427 (or 56381412 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 36.

The spelling of 73070303472 in words is "seventy-three billion, seventy million, three hundred three thousand, four hundred seventy-two".