42479751 has 24 divisors (see below), whose sum is σ = 59576400. Its totient is φ = 26919424.

The previous prime is 42479747. The next prime is 42479761. The reversal of 42479751 is 15797424.

It is not a de Polignac number, because 42479751 - 2² = 42479747 is a prime.

Its product of digits (70560) is a multiple of the sum of its prime divisors (294).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285025 + ... + 285173.

It is an arithmetic number, because the mean of its divisors is an integer number (2482350).

Almost surely, 2^42479751 is an apocalyptic number.

42479751 is a deficient number, since it is larger than the sum of its proper divisors (17096649).

42479751 is a wasteful number, since it uses less digits than its factorization.

42479751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 294 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 42479751 is about 6517.6491927688. The cubic root of 42479751 is about 348.9211705825.

The spelling of 42479751 in words is "forty-two million, four hundred seventy-nine thousand, seven hundred fifty-one".