42704415 has 40 divisors (see below), whose sum is σ = 82450368. Its totient is φ = 21021120.

The previous prime is 42704383. The next prime is 42704423. The reversal of 42704415 is 51440724.

It is not a de Polignac number, because 42704415 - 2⁵ = 42704383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1210 + ... + 9320.

Almost surely, 2^42704415 is an apocalyptic number.

42704415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42704415 is a deficient number, since it is larger than the sum of its proper divisors (39745953).

42704415 is a wasteful number, since it uses less digits than its factorization.

42704415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 42704415 is about 6534.8615134523. The cubic root of 42704415 is about 349.5352061645.

The spelling of 42704415 in words is "forty-two million, seven hundred four thousand, four hundred fifteen".