69749741 has 16 divisors (see below), whose sum is σ = 76454400. Its totient is φ = 63404208.

The previous prime is 69749737. The next prime is 69749753. The reversal of 69749741 is 14794796.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 69749741 - 2² = 69749737 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

Its product of digits (381024) is a multiple of the sum of its prime divisors (1568).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69749711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47480 + ... + 48926.

It is an arithmetic number, because the mean of its divisors is an integer number (4778400).

Almost surely, 2^69749741 is an apocalyptic number.

It is an amenable number.

69749741 is a deficient number, since it is larger than the sum of its proper divisors (6704659).

69749741 is a wasteful number, since it uses less digits than its factorization.

69749741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568.

The product of its digits is 381024, while the sum is 47.

The square root of 69749741 is about 8351.6310383062. The cubic root of 69749741 is about 411.6368060281.

The spelling of 69749741 in words is "sixty-nine million, seven hundred forty-nine thousand, seven hundred forty-one".