40747995 has 32 divisors (see below), whose sum is σ = 72705600. Its totient is φ = 21652992.

The previous prime is 40747991. The next prime is 40747999. The reversal of 40747995 is 59974704.

It is an interprime number because it is at equal distance from previous prime (40747991) and next prime (40747999).

It is not a de Polignac number, because 40747995 - 2² = 40747991 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40747995.

It is not an unprimeable number, because it can be changed into a prime (40747991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68419 + ... + 69011.

It is an arithmetic number, because the mean of its divisors is an integer number (2272050).

Almost surely, 2^40747995 is an apocalyptic number.

40747995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40747995 is a deficient number, since it is larger than the sum of its proper divisors (31957605).

40747995 is a wasteful number, since it uses less digits than its factorization.

40747995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 40747995 is about 6383.4156217498. The cubic root of 40747995 is about 344.1137935911.

The spelling of 40747995 in words is "forty million, seven hundred forty-seven thousand, nine hundred ninety-five".