73740742 has 8 divisors (see below), whose sum is σ = 112169232. Its totient is φ = 36351000.

The previous prime is 73740739. The next prime is 73740757. The reversal of 73740742 is 24704737.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 73740698 and 73740707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259509 + ... + 259792.

It is an arithmetic number, because the mean of its divisors is an integer number (14021154).

Almost surely, 2^73740742 is an apocalyptic number.

73740742 is a deficient number, since it is larger than the sum of its proper divisors (38428490).

73740742 is a wasteful number, since it uses less digits than its factorization.

73740742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519374.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 73740742 is about 8587.2429801421. The cubic root of 73740742 is about 419.3427778501.

The spelling of 73740742 in words is "seventy-three million, seven hundred forty thousand, seven hundred forty-two".