78575493 has 8 divisors (see below), whose sum is σ = 106996608. Its totient is φ = 51269024.

The previous prime is 78575459. The next prime is 78575527. The reversal of 78575493 is 39457587.

It is an interprime number because it is at equal distance from previous prime (78575459) and next prime (78575527).

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

It is a cyclic number.

It is not a de Polignac number, because 78575493 - 2⁹ = 78574981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78525493) 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, 278496 + ... + 278777.

It is an arithmetic number, because the mean of its divisors is an integer number (13374576).

Almost surely, 2^78575493 is an apocalyptic number.

It is an amenable number.

78575493 is a deficient number, since it is larger than the sum of its proper divisors (28421115).

78575493 is a wasteful number, since it uses less digits than its factorization.

78575493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557323.

The product of its digits is 1058400, while the sum is 48.

The square root of 78575493 is about 8864.2818660058. The cubic root of 78575493 is about 428.3141000144.

The spelling of 78575493 in words is "seventy-eight million, five hundred seventy-five thousand, four hundred ninety-three".