78741023 has 4 divisors (see below), whose sum is σ = 81281088. Its totient is φ = 76200960.

The previous prime is 78741017. The next prime is 78741037. The reversal of 78741023 is 32014787.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78741023 - 2¹² = 78736927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78741053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269986 + ... + 1270047.

It is an arithmetic number, because the mean of its divisors is an integer number (20320272).

Almost surely, 2^78741023 is an apocalyptic number.

78741023 is a deficient number, since it is larger than the sum of its proper divisors (2540065).

78741023 is a wasteful number, since it uses less digits than its factorization.

78741023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540064.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 78741023 is about 8873.6138635846. The cubic root of 78741023 is about 428.6146564280.

The spelling of 78741023 in words is "seventy-eight million, seven hundred forty-one thousand, twenty-three".