80733457 has 4 divisors (see below), whose sum is σ = 92266816. Its totient is φ = 69200100.

The previous prime is 80733437. The next prime is 80733463. The reversal of 80733457 is 75433708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80733457 - 2⁷ = 80733329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80733437) 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, 5766669 + ... + 5766682.

It is an arithmetic number, because the mean of its divisors is an integer number (23066704).

Almost surely, 2^80733457 is an apocalyptic number.

It is an amenable number.

80733457 is a deficient number, since it is larger than the sum of its proper divisors (11533359).

80733457 is a wasteful number, since it uses less digits than its factorization.

80733457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11533358.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 80733457 is about 8985.1798535143. The cubic root of 80733457 is about 432.1997550849.

The spelling of 80733457 in words is "eighty million, seven hundred thirty-three thousand, four hundred fifty-seven".