74427007 has 2 divisors, whose sum is σ = 74427008. Its totient is φ = 74427006.

The previous prime is 74426983. The next prime is 74427029. The reversal of 74427007 is 70072447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74427007 - 2¹⁵ = 74394239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74427007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74427097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37213503 + 37213504.

It is an arithmetic number, because the mean of its divisors is an integer number (37213504).

Almost surely, 2^74427007 is an apocalyptic number.

74427007 is a deficient number, since it is larger than the sum of its proper divisors (1).

74427007 is an equidigital number, since it uses as much as digits as its factorization.

74427007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74427007 is about 8627.1088436393. The cubic root of 74427007 is about 420.6396281969.

The spelling of 74427007 in words is "seventy-four million, four hundred twenty-seven thousand, seven".