67749946 has 8 divisors (see below), whose sum is σ = 110863584. Its totient is φ = 30795420.

The previous prime is 67749937. The next prime is 67749959. The reversal of 67749946 is 64994776.

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

It is a junction number, because it is equal to n+sod(n) for n = 67749893 and 67749902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539750 + ... + 1539793.

It is an arithmetic number, because the mean of its divisors is an integer number (13857948).

Almost surely, 2^67749946 is an apocalyptic number.

67749946 is a deficient number, since it is larger than the sum of its proper divisors (43113638).

67749946 is a wasteful number, since it uses less digits than its factorization.

67749946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079556.

The product of its digits is 2286144, while the sum is 52.

The square root of 67749946 is about 8231.0355363101. The cubic root of 67749946 is about 407.6645848024.

The spelling of 67749946 in words is "sixty-seven million, seven hundred forty-nine thousand, nine hundred forty-six".