74694360947 has 4 divisors (see below), whose sum is σ = 74744594016. Its totient is φ = 74644127880.

The previous prime is 74694360943. The next prime is 74694360989. The reversal of 74694360947 is 74906349647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74694360947 - 2² = 74694360943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74694360941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25114304 + ... + 25117277.

It is an arithmetic number, because the mean of its divisors is an integer number (18686148504).

Almost surely, 2^74694360947 is an apocalyptic number.

74694360947 is a deficient number, since it is larger than the sum of its proper divisors (50233069).

74694360947 is a wasteful number, since it uses less digits than its factorization.

74694360947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50233068.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 74694360947 in words is "seventy-four billion, six hundred ninety-four million, three hundred sixty thousand, nine hundred forty-seven".