74714021 has 2 divisors, whose sum is σ = 74714022. Its totient is φ = 74714020.

The previous prime is 74713993. The next prime is 74714033. The reversal of 74714021 is 12041747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70324996 + 4389025 = 8386^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 74714021 - 2²² = 70519717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74714071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37357010 + 37357011.

It is an arithmetic number, because the mean of its divisors is an integer number (37357011).

Almost surely, 2^74714021 is an apocalyptic number.

It is an amenable number.

74714021 is a deficient number, since it is larger than the sum of its proper divisors (1).

74714021 is an equidigital number, since it uses as much as digits as its factorization.

74714021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 74714021 is about 8643.7272631660. The cubic root of 74714021 is about 421.1796409711.

Adding to 74714021 its reverse (12041747), we get a palindrome (86755768).

The spelling of 74714021 in words is "seventy-four million, seven hundred fourteen thousand, twenty-one".