74676947 has 4 divisors (see below), whose sum is σ = 76086000. Its totient is φ = 73267896.

The previous prime is 74676913. The next prime is 74676967. The reversal of 74676947 is 74967647.

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 74676947 - 2²⁶ = 7568083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74676895 and 74676904.

It is not an unprimeable number, because it can be changed into a prime (74676907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704447 + ... + 704552.

It is an arithmetic number, because the mean of its divisors is an integer number (19021500).

Almost surely, 2^74676947 is an apocalyptic number.

74676947 is a deficient number, since it is larger than the sum of its proper divisors (1409053).

74676947 is a wasteful number, since it uses less digits than its factorization.

74676947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409052.

The product of its digits is 1778112, while the sum is 50.

The square root of 74676947 is about 8641.5824361051. The cubic root of 74676947 is about 421.1099646361.

The spelling of 74676947 in words is "seventy-four million, six hundred seventy-six thousand, nine hundred forty-seven".