742726370 has 8 divisors (see below), whose sum is σ = 1336907484. Its totient is φ = 297090544.

The previous prime is 742726363. The next prime is 742726417. The reversal of 742726370 is 73627247.

It can be written as a sum of positive squares in 2 ways, for example, as 742726009 + 361 = 27253^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37136309 + ... + 37136328.

Almost surely, 2^742726370 is an apocalyptic number.

742726370 is a deficient number, since it is larger than the sum of its proper divisors (594181114).

742726370 is a wasteful number, since it uses less digits than its factorization.

742726370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74272644.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 742726370 is about 27253.0066231233. The cubic root of 742726370 is about 905.6136249300.

The spelling of 742726370 in words is "seven hundred forty-two million, seven hundred twenty-six thousand, three hundred seventy".