74922947 has 8 divisors (see below), whose sum is σ = 86036160. Its totient is φ = 64526760.

The previous prime is 74922943. The next prime is 74922977.

74922947 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74922947 - 2² = 74922943 is a prime.

It is a super-2 number, since 2×74922947² = 11226895974329618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74922898 and 74922907.

It is not an unprimeable number, because it can be changed into a prime (74922943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179033 + ... + 179450.

It is an arithmetic number, because the mean of its divisors is an integer number (10754520).

Almost surely, 2^74922947 is an apocalyptic number.

74922947 is a deficient number, since it is larger than the sum of its proper divisors (11113213).

74922947 is a wasteful number, since it uses less digits than its factorization.

74922947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358513.

The product of its digits is 254016, while the sum is 44.

The square root of 74922947 is about 8655.8042376200. The cubic root of 74922947 is about 421.5718631267.

The spelling of 74922947 in words is "seventy-four million, nine hundred twenty-two thousand, nine hundred forty-seven".