42764949 has 8 divisors (see below), whose sum is σ = 63355520. Its totient is φ = 28509948.

The previous prime is 42764947. The next prime is 42764977. The reversal of 42764949 is 94946724.

It is not a de Polignac number, because 42764949 - 2¹ = 42764947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42764941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791917 + ... + 791970.

It is an arithmetic number, because the mean of its divisors is an integer number (7919440).

Almost surely, 2^42764949 is an apocalyptic number.

It is an amenable number.

42764949 is a deficient number, since it is larger than the sum of its proper divisors (20590571).

42764949 is a wasteful number, since it uses less digits than its factorization.

42764949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583896 (or 1583890 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 42764949 is about 6539.4914939925. The cubic root of 42764949 is about 349.7002849152.

The spelling of 42764949 in words is "forty-two million, seven hundred sixty-four thousand, nine hundred forty-nine".