42774415 has 8 divisors (see below), whose sum is σ = 54030960. Its totient is φ = 32418432.

The previous prime is 42774349. The next prime is 42774419. The reversal of 42774415 is 51447724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42774415 - 2⁷ = 42774287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225034 + ... + 225223.

It is an arithmetic number, because the mean of its divisors is an integer number (6753870).

Almost surely, 2^42774415 is an apocalyptic number.

42774415 is a deficient number, since it is larger than the sum of its proper divisors (11256545).

42774415 is a wasteful number, since it uses less digits than its factorization.

42774415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450281.

The product of its digits is 31360, while the sum is 34.

The square root of 42774415 is about 6540.2152105263. The cubic root of 42774415 is about 349.7260850059.

The spelling of 42774415 in words is "forty-two million, seven hundred seventy-four thousand, four hundred fifteen".