73070457 has 8 divisors (see below), whose sum is σ = 98138976. Its totient is φ = 48357792.

The previous prime is 73070453. The next prime is 73070467. The reversal of 73070457 is 75407037.

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

It is not a de Polignac number, because 73070457 - 2² = 73070453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73070453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88483 + ... + 89304.

It is an arithmetic number, because the mean of its divisors is an integer number (12267372).

Almost surely, 2^73070457 is an apocalyptic number.

It is an amenable number.

73070457 is a deficient number, since it is larger than the sum of its proper divisors (25068519).

73070457 is a wasteful number, since it uses less digits than its factorization.

73070457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177927.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 73070457 is about 8548.1259349638. The cubic root of 73070457 is about 418.0683347145.

The spelling of 73070457 in words is "seventy-three million, seventy thousand, four hundred fifty-seven".