42646995 has 12 divisors (see below), whose sum is σ = 73921536. Its totient is φ = 22745040.

The previous prime is 42646993. The next prime is 42646997. The reversal of 42646995 is 59964624.

It is an interprime number because it is at equal distance from previous prime (42646993) and next prime (42646997).

It is not a de Polignac number, because 42646995 - 2¹ = 42646993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 947711 = 42646995 / (4 + 2 + 6 + 4 + 6 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 42646995.

It is not an unprimeable number, because it can be changed into a prime (42646993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473811 + ... + 473900.

It is an arithmetic number, because the mean of its divisors is an integer number (6160128).

Almost surely, 2^42646995 is an apocalyptic number.

42646995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42646995 is a deficient number, since it is larger than the sum of its proper divisors (31274541).

42646995 is a wasteful number, since it uses less digits than its factorization.

42646995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947722 (or 947719 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 42646995 is about 6530.4666755141. The cubic root of 42646995 is about 349.3784751901.

The spelling of 42646995 in words is "forty-two million, six hundred forty-six thousand, nine hundred ninety-five".