40742001 has 32 divisors (see below), whose sum is σ = 62519040. Its totient is φ = 26208000.

The previous prime is 40741973. The next prime is 40742003. The reversal of 40742001 is 10024704.

It is a happy number.

It is not a de Polignac number, because 40742001 - 2⁵ = 40741969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40742003) 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, 101401 + ... + 101801.

It is an arithmetic number, because the mean of its divisors is an integer number (1953720).

Almost surely, 2^40742001 is an apocalyptic number.

It is an amenable number.

40742001 is a deficient number, since it is larger than the sum of its proper divisors (21777039).

40742001 is a wasteful number, since it uses less digits than its factorization.

40742001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40742001 is about 6382.9461066188. The cubic root of 40742001 is about 344.0969198020.

Adding to 40742001 its reverse (10024704), we get a palindrome (50766705).

The spelling of 40742001 in words is "forty million, seven hundred forty-two thousand, one".