5072345 has 4 divisors (see below), whose sum is σ = 6086820. Its totient is φ = 4057872.

The previous prime is 5072329. The next prime is 5072359. The reversal of 5072345 is 5432705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1763584 + 3308761 = 1328^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 5072345 - 2⁴ = 5072329 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507230 + ... + 507239.

It is an arithmetic number, because the mean of its divisors is an integer number (1521705).

Almost surely, 2^5072345 is an apocalyptic number.

It is an amenable number.

5072345 is a deficient number, since it is larger than the sum of its proper divisors (1014475).

5072345 is a wasteful number, since it uses less digits than its factorization.

5072345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014474.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 5072345 is about 2252.1867151726. The cubic root of 5072345 is about 171.8183701038.

The spelling of 5072345 in words is "five million, seventy-two thousand, three hundred forty-five".