78433575 has 24 divisors (see below), whose sum is σ = 141467136. Its totient is φ = 38028000.

The previous prime is 78433559. The next prime is 78433583. The reversal of 78433575 is 57533487.

It is not a de Polignac number, because 78433575 - 2⁴ = 78433559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46711 + ... + 48360.

It is an arithmetic number, because the mean of its divisors is an integer number (5894464).

Almost surely, 2^78433575 is an apocalyptic number.

78433575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

78433575 is a deficient number, since it is larger than the sum of its proper divisors (63033561).

78433575 is a wasteful number, since it uses less digits than its factorization.

78433575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95095 (or 95090 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 78433575 is about 8856.2732003930. The cubic root of 78433575 is about 428.0560801556.

The spelling of 78433575 in words is "seventy-eight million, four hundred thirty-three thousand, five hundred seventy-five".