74006751557 has 2 divisors, whose sum is σ = 74006751558. Its totient is φ = 74006751556.

The previous prime is 74006751551. The next prime is 74006751563. The reversal of 74006751557 is 75515760047.

It is a balanced prime because it is at equal distance from previous prime (74006751551) and next prime (74006751563).

It can be written as a sum of positive squares in only one way, i.e., 59209002241 + 14797749316 = 243329^2 + 121646^2 .

It is a cyclic number.

It is not a de Polignac number, because 74006751557 - 2¹⁰ = 74006750533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74006751551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37003375778 + 37003375779.

It is an arithmetic number, because the mean of its divisors is an integer number (37003375779).

Almost surely, 2^74006751557 is an apocalyptic number.

It is an amenable number.

74006751557 is a deficient number, since it is larger than the sum of its proper divisors (1).

74006751557 is an equidigital number, since it uses as much as digits as its factorization.

74006751557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 74006751557 in words is "seventy-four billion, six million, seven hundred fifty-one thousand, five hundred fifty-seven".