42280737 has 8 divisors (see below), whose sum is σ = 56476704. Its totient is φ = 28135968.

The previous prime is 42280727. The next prime is 42280783. The reversal of 42280737 is 73708224.

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

It is not a de Polignac number, because 42280737 - 2⁶ = 42280673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42280698 and 42280707.

It is not an unprimeable number, because it can be changed into a prime (42280727) 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, 10828 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (7059588).

Almost surely, 2^42280737 is an apocalyptic number.

It is an amenable number.

42280737 is a deficient number, since it is larger than the sum of its proper divisors (14195967).

42280737 is a wasteful number, since it uses less digits than its factorization.

42280737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25599.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 42280737 is about 6502.3639547475. The cubic root of 42280737 is about 348.3754288287.

The spelling of 42280737 in words is "forty-two million, two hundred eighty thousand, seven hundred thirty-seven".