40729601 has 8 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 35749840.

The previous prime is 40729583. The next prime is 40729609. The reversal of 40729601 is 10692704.

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 40729601 - 2¹⁰ = 40728577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40729609) 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, 63521 + ... + 64158.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^40729601 is an apocalyptic number.

It is an amenable number.

40729601 is a deficient number, since it is larger than the sum of its proper divisors (5235199).

40729601 is a wasteful number, since it uses less digits than its factorization.

40729601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127719.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40729601 is about 6381.9746944030. The cubic root of 40729601 is about 344.0620071430.

The spelling of 40729601 in words is "forty million, seven hundred twenty-nine thousand, six hundred one".