42725415 has 8 divisors (see below), whose sum is σ = 68360688. Its totient is φ = 22786880.

The previous prime is 42725401. The next prime is 42725453. The reversal of 42725415 is 51452724.

42725415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42725415 - 2⁶ = 42725351 is a prime.

It is a super-2 number, since 2×42725415² = 3650922173844450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424166 + ... + 1424195.

It is an arithmetic number, because the mean of its divisors is an integer number (8545086).

Almost surely, 2^42725415 is an apocalyptic number.

42725415 is a deficient number, since it is larger than the sum of its proper divisors (25635273).

42725415 is a wasteful number, since it uses less digits than its factorization.

42725415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848369.

The product of its digits is 11200, while the sum is 30.

The square root of 42725415 is about 6536.4680829941. The cubic root of 42725415 is about 349.5924917048.

The spelling of 42725415 in words is "forty-two million, seven hundred twenty-five thousand, four hundred fifteen".