742277331 has 16 divisors (see below), whose sum is σ = 1102375200. Its totient is φ = 493634304.

The previous prime is 742277329. The next prime is 742277377. The reversal of 742277331 is 133772247.

It is a happy number.

It is not a de Polignac number, because 742277331 - 2¹ = 742277329 is a prime.

It is a super-2 number, since 2×742277331² = 1101951272232967122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742277311) 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, 22566 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (68898450).

Almost surely, 2^742277331 is an apocalyptic number.

742277331 is a deficient number, since it is larger than the sum of its proper divisors (360097869).

742277331 is a wasteful number, since it uses less digits than its factorization.

742277331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67635 (or 67629 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 742277331 is about 27244.7670388278. The cubic root of 742277331 is about 905.4310822365.

The spelling of 742277331 in words is "seven hundred forty-two million, two hundred seventy-seven thousand, three hundred thirty-one".