80745460 has 48 divisors (see below), whose sum is σ = 173964672. Its totient is φ = 31472000.

The previous prime is 80745439. The next prime is 80745463. The reversal of 80745460 is 6454708.

It is a super-2 number, since 2×80745460² = 13039658621223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80745463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143139 + ... + 143701.

It is an arithmetic number, because the mean of its divisors is an integer number (3624264).

Almost surely, 2^80745460 is an apocalyptic number.

It is an amenable number.

80745460 is an abundant number, since it is smaller than the sum of its proper divisors (93219212).

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

80745460 is a wasteful number, since it uses less digits than its factorization.

80745460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 80745460 is about 8985.8477618976. The cubic root of 80745460 is about 432.2211730397.

The spelling of 80745460 in words is "eighty million, seven hundred forty-five thousand, four hundred sixty".