74127742 has 16 divisors (see below), whose sum is σ = 122294592. Its totient is φ = 33484320.

The previous prime is 74127737. The next prime is 74127773. The reversal of 74127742 is 24772147.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74127698 and 74127707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29109 + ... + 31552.

It is an arithmetic number, because the mean of its divisors is an integer number (7643412).

Almost surely, 2^74127742 is an apocalyptic number.

74127742 is a deficient number, since it is larger than the sum of its proper divisors (48166850).

74127742 is a wasteful number, since it uses less digits than its factorization.

74127742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60723.

The product of its digits is 21952, while the sum is 34.

The square root of 74127742 is about 8609.7469184640. The cubic root of 74127742 is about 420.0750848376.

Adding to 74127742 its reverse (24772147), we get a palindrome (98899889).

The spelling of 74127742 in words is "seventy-four million, one hundred twenty-seven thousand, seven hundred forty-two".