73966962378 has 16 divisors (see below), whose sum is σ = 154365834816. Its totient is φ = 23583669120.

The previous prime is 73966962337. The next prime is 73966962397. The reversal of 73966962378 is 87326966937.

It is a super-2 number, since 2×73966962378² (a number of 23 digits) contains 22 as substring.

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, 267996103 + ... + 267996378.

It is an arithmetic number, because the mean of its divisors is an integer number (9647864676).

Almost surely, 2^73966962378 is an apocalyptic number.

73966962378 is an abundant number, since it is smaller than the sum of its proper divisors (80398872438).

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

73966962378 is a wasteful number, since it uses less digits than its factorization.

73966962378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535992509.

The product of its digits is 123451776, while the sum is 66.

The spelling of 73966962378 in words is "seventy-three billion, nine hundred sixty-six million, nine hundred sixty-two thousand, three hundred seventy-eight".