74447186046 has 16 divisors (see below), whose sum is σ = 157652864784. Its totient is φ = 23355979904.

The previous prime is 74447186027. The next prime is 74447186059. The reversal of 74447186046 is 64068174447.

It is a super-2 number, since 2×74447186046² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 74447186046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364937085 + ... + 364937288.

It is an arithmetic number, because the mean of its divisors is an integer number (9853304049).

Almost surely, 2^74447186046 is an apocalyptic number.

74447186046 is an abundant number, since it is smaller than the sum of its proper divisors (83205678738).

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

74447186046 is a wasteful number, since it uses less digits than its factorization.

74447186046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729874395.

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 74447186046 in words is "seventy-four billion, four hundred forty-seven million, one hundred eighty-six thousand, forty-six".