73427484690 has 64 divisors (see below), whose sum is σ = 223779006720. Its totient is φ = 16783424640.

The previous prime is 73427484653. The next prime is 73427484727. The reversal of 73427484690 is 9648472437.

73427484690 is a `hidden beast` number, since 73 + 4 + 2 + 7 + 484 + 6 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (73427484653) and next prime (73427484727).

It is a super-2 number, since 2×73427484690² (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19423371 + ... + 19427150.

It is an arithmetic number, because the mean of its divisors is an integer number (3496546980).

Almost surely, 2^73427484690 is an apocalyptic number.

73427484690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73427484690 is an abundant number, since it is smaller than the sum of its proper divisors (150351522030).

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

73427484690 is a wasteful number, since it uses less digits than its factorization.

73427484690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38850544 (or 38850538 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 73427484690 in words is "seventy-three billion, four hundred twenty-seven million, four hundred eighty-four thousand, six hundred ninety".