73647760412 has 12 divisors (see below), whose sum is σ = 128885492736. Its totient is φ = 36823333920.

The previous prime is 73647760391. The next prime is 73647760427. The reversal of 73647760412 is 21406774637.

It is a super-2 number, since 2×73647760412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408293 + ... + 560355.

It is an arithmetic number, because the mean of its divisors is an integer number (10740457728).

Almost surely, 2^73647760412 is an apocalyptic number.

It is an amenable number.

73647760412 is a deficient number, since it is larger than the sum of its proper divisors (55237732324).

73647760412 is a wasteful number, since it uses less digits than its factorization.

73647760412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273148 (or 273146 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 73647760412 in words is "seventy-three billion, six hundred forty-seven million, seven hundred sixty thousand, four hundred twelve".