742706379 has 12 divisors (see below), whose sum is σ = 1073095296. Its totient is φ = 495000432.

The previous prime is 742706369. The next prime is 742706381. The reversal of 742706379 is 973607247.

It is a happy number.

742706379 is a `hidden beast` number, since 7 + 4 + 2 + 7 + 0 + 637 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-742706379 is a prime.

It is a super-2 number, since 2×742706379² = 1103225530814583282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742706359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31254 + ... + 49620.

It is an arithmetic number, because the mean of its divisors is an integer number (89424608).

Almost surely, 2^742706379 is an apocalyptic number.

742706379 is a deficient number, since it is larger than the sum of its proper divisors (330388917).

742706379 is a wasteful number, since it uses less digits than its factorization.

742706379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22866 (or 22863 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 742706379 is about 27252.6398537830. The cubic root of 742706379 is about 905.6054997823.

The spelling of 742706379 in words is "seven hundred forty-two million, seven hundred six thousand, three hundred seventy-nine".