80796742 has 16 divisors (see below), whose sum is σ = 133554960. Its totient is φ = 36423072.

The previous prime is 80796731. The next prime is 80796743. The reversal of 80796742 is 24769708.

It is a super-2 number, since 2×80796742² = 13056227035629128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80796743) 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, 35017 + ... + 37252.

It is an arithmetic number, because the mean of its divisors is an integer number (8347185).

Almost surely, 2^80796742 is an apocalyptic number.

80796742 is a deficient number, since it is larger than the sum of its proper divisors (52758218).

80796742 is a wasteful number, since it uses less digits than its factorization.

80796742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72327.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 80796742 is about 8988.7007959994. The cubic root of 80796742 is about 432.3126558939.

The spelling of 80796742 in words is "eighty million, seven hundred ninety-six thousand, seven hundred forty-two".