40742061 has 8 divisors (see below), whose sum is σ = 57181920. Its totient is φ = 25731792.

The previous prime is 40742059. The next prime is 40742063. The reversal of 40742061 is 16024704.

It is an interprime number because it is at equal distance from previous prime (40742059) and next prime (40742063).

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

It is not a de Polignac number, because 40742061 - 2¹ = 40742059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40742063) 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, 357330 + ... + 357443.

It is an arithmetic number, because the mean of its divisors is an integer number (7147740).

Almost surely, 2^40742061 is an apocalyptic number.

It is an amenable number.

40742061 is a deficient number, since it is larger than the sum of its proper divisors (16439859).

40742061 is a wasteful number, since it uses less digits than its factorization.

40742061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714795.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 40742061 is about 6382.9508066411. The cubic root of 40742061 is about 344.0970887169.

Adding to 40742061 its reverse (16024704), we get a palindrome (56766765).

The spelling of 40742061 in words is "forty million, seven hundred forty-two thousand, sixty-one".