77733742 has 8 divisors (see below), whose sum is σ = 116642736. Its totient is φ = 38852832.

The previous prime is 77733727. The next prime is 77733749. The reversal of 77733742 is 24733777.

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 = 77733695 and 77733704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77733749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463 + ... + 12709.

It is an arithmetic number, because the mean of its divisors is an integer number (14580342).

Almost surely, 2^77733742 is an apocalyptic number.

77733742 is a deficient number, since it is larger than the sum of its proper divisors (38908994).

77733742 is a wasteful number, since it uses less digits than its factorization.

77733742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14042.

The product of its digits is 172872, while the sum is 40.

The square root of 77733742 is about 8816.6740894739. The cubic root of 77733742 is about 426.7791474549.

The spelling of 77733742 in words is "seventy-seven million, seven hundred thirty-three thousand, seven hundred forty-two".