80738742 has 16 divisors (see below), whose sum is σ = 184545792. Its totient is φ = 23068200.

The previous prime is 80738719. The next prime is 80738743. The reversal of 80738742 is 24783708.

It is a self number, because there is not a number n which added to its sum of digits gives 80738742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80738743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961134 + ... + 961217.

It is an arithmetic number, because the mean of its divisors is an integer number (11534112).

Almost surely, 2^80738742 is an apocalyptic number.

80738742 is an abundant number, since it is smaller than the sum of its proper divisors (103807050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80738742 is a wasteful number, since it uses less digits than its factorization.

80738742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922363.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 80738742 is about 8985.4739440944. The cubic root of 80738742 is about 432.2091858131.

The spelling of 80738742 in words is "eighty million, seven hundred thirty-eight thousand, seven hundred forty-two".