42051764 has 24 divisors (see below), whose sum is σ = 76026720. Its totient is φ = 20339424.

The previous prime is 42051703. The next prime is 42051767. The reversal of 42051764 is 46715024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051767) 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, 17627 + ... + 19869.

It is an arithmetic number, because the mean of its divisors is an integer number (3167780).

Almost surely, 2^42051764 is an apocalyptic number.

It is an amenable number.

42051764 is a deficient number, since it is larger than the sum of its proper divisors (33974956).

42051764 is a wasteful number, since it uses less digits than its factorization.

42051764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42051764 is about 6484.7331479406. The cubic root of 42051764 is about 347.7454098638.

Adding to 42051764 its reverse (46715024), we get a palindrome (88766788).

The spelling of 42051764 in words is "forty-two million, fifty-one thousand, seven hundred sixty-four".