742137606 has 64 divisors (see below), whose sum is σ = 1984012800. Its totient is φ = 200877408.

The previous prime is 742137593. The next prime is 742137647. The reversal of 742137606 is 606731247.

742137606 is a `hidden beast` number, since 7 + 42 + 1 + 3 + 7 + 606 = 666.

It is a super-2 number, since 2×742137606² = 1101536452478822472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44485 + ... + 58848.

It is an arithmetic number, because the mean of its divisors is an integer number (31000200).

Almost surely, 2^742137606 is an apocalyptic number.

742137606 is an abundant number, since it is smaller than the sum of its proper divisors (1241875194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742137606 is a wasteful number, since it uses less digits than its factorization.

742137606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103370 (or 103364 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 742137606 is about 27242.2026642487. The cubic root of 742137606 is about 905.3742664115.

The spelling of 742137606 in words is "seven hundred forty-two million, one hundred thirty-seven thousand, six hundred six".