74735437141156 has 135 divisors (see below), whose sum is σ = 145473303411345. Its totient is φ = 33595029473280.

The previous prime is 74735437141153. The next prime is 74735437141217. The reversal of 74735437141156 is 65114173453747.

It is a happy number.

The square root of 74735437141156 is 8644966.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 73576765736100 + 1158671405056 = 8577690^2 + 1076416^2 .

It is a Duffinian number.

Its product of digits (29635200) is a multiple of the sum of its prime factors (840).

It is a self number, because there is not a number n which added to its sum of digits gives 74735437141156.

It is not an unprimeable number, because it can be changed into a prime (74735437141153) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 290799366180 + ... + 290799366436.

Almost surely, 2^{74735437141156} is an apocalyptic number.

74735437141156 is the 8644966-th square number.

It is an amenable number.

74735437141156 is a deficient number, since it is larger than the sum of its proper divisors (70737866270189).

74735437141156 is an frugal number, since it uses more digits than its factorization.

74735437141156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 409 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 58.

The spelling of 74735437141156 in words is "seventy-four trillion, seven hundred thirty-five billion, four hundred thirty-seven million, one hundred forty-one thousand, one hundred fifty-six".