742636147 has 16 divisors (see below), whose sum is σ = 882201600. Its totient is φ = 617531040.

The previous prime is 742636129. The next prime is 742636163. The reversal of 742636147 is 741636247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742636147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742636117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55203 + ... + 67324.

It is an arithmetic number, because the mean of its divisors is an integer number (55137600).

Almost surely, 2^742636147 is an apocalyptic number.

742636147 is a deficient number, since it is larger than the sum of its proper divisors (139565453).

742636147 is a wasteful number, since it uses less digits than its factorization.

742636147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122586.

The product of its digits is 169344, while the sum is 40.

The square root of 742636147 is about 27251.3512875967. The cubic root of 742636147 is about 905.5769535123.

The spelling of 742636147 in words is "seven hundred forty-two million, six hundred thirty-six thousand, one hundred forty-seven".