42290754 has 32 divisors (see below), whose sum is σ = 93450240. Its totient is φ = 12651600.

The previous prime is 42290723. The next prime is 42290761. The reversal of 42290754 is 45709224.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (2920320).

Almost surely, 2^42290754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42290754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46725120).

42290754 is an abundant number, since it is smaller than the sum of its proper divisors (51159486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42290754 is a wasteful number, since it uses less digits than its factorization.

42290754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 42290754 is about 6503.1341674611. The cubic root of 42290754 is about 348.4029386071.

Adding to 42290754 its reverse (45709224), we get a palindrome (87999978).

The spelling of 42290754 in words is "forty-two million, two hundred ninety thousand, seven hundred fifty-four".