74355742653722 has 4 divisors (see below), whose sum is σ = 111533613980586. Its totient is φ = 37177871326860.

The previous prime is 74355742653679. The next prime is 74355742653743. The reversal of 74355742653722 is 22735624755347.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69562922712721 + 4792819941001 = 8340439^2 + 2189251^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18588935663429 + ... + 18588935663432.

Almost surely, 2^{74355742653722} is an apocalyptic number.

74355742653722 is a deficient number, since it is larger than the sum of its proper divisors (37177871326864).

74355742653722 is a wasteful number, since it uses less digits than its factorization.

74355742653722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37177871326863.

The product of its digits is 296352000, while the sum is 62.

The spelling of 74355742653722 in words is "seventy-four trillion, three hundred fifty-five billion, seven hundred forty-two million, six hundred fifty-three thousand, seven hundred twenty-two".