80740734 has 32 divisors (see below), whose sum is σ = 166465536. Its totient is φ = 26088480.

The previous prime is 80740721. The next prime is 80740739. The reversal of 80740734 is 43704708.

It is a happy number.

It is a super-2 number, since 2×80740734² = 13038132253717512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80740695 and 80740704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80740739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80979 + ... + 81969.

It is an arithmetic number, because the mean of its divisors is an integer number (5202048).

Almost surely, 2^80740734 is an apocalyptic number.

80740734 is an abundant number, since it is smaller than the sum of its proper divisors (85724802).

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

80740734 is a wasteful number, since it uses less digits than its factorization.

80740734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 80740734 is about 8985.5847889829. The cubic root of 80740734 is about 432.2127402968.

The spelling of 80740734 in words is "eighty million, seven hundred forty thousand, seven hundred thirty-four".