74376473 has 2 divisors, whose sum is σ = 74376474. Its totient is φ = 74376472.

The previous prime is 74376461. The next prime is 74376481. The reversal of 74376473 is 37467347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 16418704 = 7613^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 74376473 - 2¹⁰ = 74375449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74376473.

It is not a weakly prime, because it can be changed into another prime (74376413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37188236 + 37188237.

It is an arithmetic number, because the mean of its divisors is an integer number (37188237).

Almost surely, 2^74376473 is an apocalyptic number.

It is an amenable number.

74376473 is a deficient number, since it is larger than the sum of its proper divisors (1).

74376473 is an equidigital number, since it uses as much as digits as its factorization.

74376473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 41.

The square root of 74376473 is about 8624.1795551809. The cubic root of 74376473 is about 420.5444055237.

The spelling of 74376473 in words is "seventy-four million, three hundred seventy-six thousand, four hundred seventy-three".