86742454 has 4 divisors (see below), whose sum is σ = 130113684. Its totient is φ = 43371226.

The previous prime is 86742437. The next prime is 86742463. The reversal of 86742454 is 45424768.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21685612 + ... + 21685615.

It is an arithmetic number, because the mean of its divisors is an integer number (32528421).

Almost surely, 2^86742454 is an apocalyptic number.

86742454 is a deficient number, since it is larger than the sum of its proper divisors (43371230).

86742454 is a wasteful number, since it uses less digits than its factorization.

86742454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43371229.

The product of its digits is 215040, while the sum is 40.

The square root of 86742454 is about 9313.5629057842. The cubic root of 86742454 is about 442.6670891645.

The spelling of 86742454 in words is "eighty-six million, seven hundred forty-two thousand, four hundred fifty-four".