74147657629 has 2 divisors, whose sum is σ = 74147657630. Its totient is φ = 74147657628.

The previous prime is 74147657611. The next prime is 74147657671. The reversal of 74147657629 is 92675674147.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72833595129 + 1314062500 = 269877^2 + 36250^2 .

It is a cyclic number.

It is not a de Polignac number, because 74147657629 - 2¹³ = 74147649437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74147657429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37073828814 + 37073828815.

It is an arithmetic number, because the mean of its divisors is an integer number (37073828815).

Almost surely, 2^74147657629 is an apocalyptic number.

It is an amenable number.

74147657629 is a deficient number, since it is larger than the sum of its proper divisors (1).

74147657629 is an equidigital number, since it uses as much as digits as its factorization.

74147657629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 58.

The spelling of 74147657629 in words is "seventy-four billion, one hundred forty-seven million, six hundred fifty-seven thousand, six hundred twenty-nine".