42724612 has 24 divisors (see below), whose sum is σ = 85970304. Its totient is φ = 18198912.

The previous prime is 42724609. The next prime is 42724657. The reversal of 42724612 is 21642724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 9244.

It is an arithmetic number, because the mean of its divisors is an integer number (3582096).

Almost surely, 2^42724612 is an apocalyptic number.

It is an amenable number.

42724612 is an abundant number, since it is smaller than the sum of its proper divisors (43245692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42724612 is a wasteful number, since it uses less digits than its factorization.

42724612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315 (or 9313 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 42724612 is about 6536.4066580959. The cubic root of 42724612 is about 349.5903015600.

The spelling of 42724612 in words is "forty-two million, seven hundred twenty-four thousand, six hundred twelve".