73534030380 has 72 divisors (see below), whose sum is σ = 230744732400. Its totient is φ = 18932898432.

The previous prime is 73534030363. The next prime is 73534030397. The reversal of 73534030380 is 8303043537.

It is a happy number.

73534030380 is a `hidden beast` number, since 7 + 3 + 5 + 340 + 303 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (73534030363) and next prime (73534030397).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7038270 + ... + 7048709.

It is an arithmetic number, because the mean of its divisors is an integer number (3204787950).

Almost surely, 2^73534030380 is an apocalyptic number.

It is an amenable number.

73534030380 is an abundant number, since it is smaller than the sum of its proper divisors (157210702020).

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

73534030380 is a wasteful number, since it uses less digits than its factorization.

73534030380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087023 (or 14087018 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 73534030380 in words is "seventy-three billion, five hundred thirty-four million, thirty thousand, three hundred eighty".