74652947 has 2 divisors, whose sum is σ = 74652948. Its totient is φ = 74652946.

The previous prime is 74652913. The next prime is 74652961. The reversal of 74652947 is 74925647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74652947 - 2¹⁰ = 74651923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74652898 and 74652907.

It is not a weakly prime, because it can be changed into another prime (74652047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37326473 + 37326474.

It is an arithmetic number, because the mean of its divisors is an integer number (37326474).

Almost surely, 2^74652947 is an apocalyptic number.

74652947 is a deficient number, since it is larger than the sum of its proper divisors (1).

74652947 is an equidigital number, since it uses as much as digits as its factorization.

74652947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 74652947 is about 8640.1936899586. The cubic root of 74652947 is about 421.0648470889.

The spelling of 74652947 in words is "seventy-four million, six hundred fifty-two thousand, nine hundred forty-seven".