42949677 has 8 divisors (see below), whose sum is σ = 57378240. Its totient is φ = 28577120.

The previous prime is 42949657. The next prime is 42949679. The reversal of 42949677 is 77694924.

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

It is a cyclic number.

It is not a de Polignac number, because 42949677 - 2⁷ = 42949549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42949679) 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, 12177 + ... + 15302.

It is an arithmetic number, because the mean of its divisors is an integer number (7172280).

Almost surely, 2^42949677 is an apocalyptic number.

It is an amenable number.

42949677 is a deficient number, since it is larger than the sum of its proper divisors (14428563).

42949677 is a wasteful number, since it uses less digits than its factorization.

42949677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28003.

The product of its digits is 762048, while the sum is 48.

The square root of 42949677 is about 6553.6003082275. The cubic root of 42949677 is about 350.2030848598.

The spelling of 42949677 in words is "forty-two million, nine hundred forty-nine thousand, six hundred seventy-seven".