740129601 has 4 divisors (see below), whose sum is σ = 986839472. Its totient is φ = 493419732.

The previous prime is 740129597. The next prime is 740129639. The reversal of 740129601 is 106921047.

It is a happy number.

740129601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106921047 = 3 ⋅35640349.

It is not a de Polignac number, because 740129601 - 2² = 740129597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740129501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123354931 + ... + 123354936.

It is an arithmetic number, because the mean of its divisors is an integer number (246709868).

Almost surely, 2^740129601 is an apocalyptic number.

It is an amenable number.

740129601 is a deficient number, since it is larger than the sum of its proper divisors (246709871).

740129601 is a wasteful number, since it uses less digits than its factorization.

740129601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246709870.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 740129601 is about 27205.3230269372. The cubic root of 740129601 is about 904.5569704628.

The spelling of 740129601 in words is "seven hundred forty million, one hundred twenty-nine thousand, six hundred one".