42276747 has 4 divisors (see below), whose sum is σ = 56369000. Its totient is φ = 28184496.

The previous prime is 42276733. The next prime is 42276761. The reversal of 42276747 is 74767224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42276733) and next prime (42276761).

It is not a de Polignac number, because 42276747 - 2⁸ = 42276491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42276727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7046122 + ... + 7046127.

It is an arithmetic number, because the mean of its divisors is an integer number (14092250).

Almost surely, 2^42276747 is an apocalyptic number.

42276747 is a deficient number, since it is larger than the sum of its proper divisors (14092253).

42276747 is a wasteful number, since it uses less digits than its factorization.

42276747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092252.

The product of its digits is 131712, while the sum is 39.

The square root of 42276747 is about 6502.0571360147. The cubic root of 42276747 is about 348.3644698453.

The spelling of 42276747 in words is "forty-two million, two hundred seventy-six thousand, seven hundred forty-seven".