73857395052 has 120 divisors (see below), whose sum is σ = 221202655520. Its totient is φ = 21050254080.

The previous prime is 73857394997. The next prime is 73857395089. The reversal of 73857395052 is 25059375837.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 73857395052.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 887802 + ... + 967422.

Almost surely, 2^73857395052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73857395052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110601327760).

73857395052 is an abundant number, since it is smaller than the sum of its proper divisors (147345260468).

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

73857395052 is a wasteful number, since it uses less digits than its factorization.

73857395052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80053 (or 80042 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The spelling of 73857395052 in words is "seventy-three billion, eight hundred fifty-seven million, three hundred ninety-five thousand, fifty-two".