8072457 has 8 divisors (see below), whose sum is σ = 10899840. Its totient is φ = 5313360.

The previous prime is 8072453. The next prime is 8072461. The reversal of 8072457 is 7542708.

8072457 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8072453) and next prime (8072461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8072457 - 2² = 8072453 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

8072457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8072453) 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, 16794 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (1362480).

Almost surely, 2^8072457 is an apocalyptic number.

It is an amenable number.

8072457 is a deficient number, since it is larger than the sum of its proper divisors (2827383).

8072457 is a wasteful number, since it uses less digits than its factorization.

8072457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 8072457 is about 2841.2069618386. The cubic root of 8072457 is about 200.6019945283.

The spelling of 8072457 in words is "eight million, seventy-two thousand, four hundred fifty-seven".