74850949 has 4 divisors (see below), whose sum is σ = 79253964. Its totient is φ = 70447936.

The previous prime is 74850929. The next prime is 74850967. The reversal of 74850949 is 94905847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94905847 = 757 ⋅125371.

It can be written as a sum of positive squares in 2 ways, for example, as 43322724 + 31528225 = 6582^2 + 5615^2 .

It is a cyclic number.

It is not a de Polignac number, because 74850949 - 2⁹ = 74850437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74850899 and 74850908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74850929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201482 + ... + 2201515.

It is an arithmetic number, because the mean of its divisors is an integer number (19813491).

Almost surely, 2^74850949 is an apocalyptic number.

It is an amenable number.

74850949 is a deficient number, since it is larger than the sum of its proper divisors (4403015).

74850949 is a wasteful number, since it uses less digits than its factorization.

74850949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403014.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 74850949 is about 8651.6442945835. The cubic root of 74850949 is about 421.4367818649.

The spelling of 74850949 in words is "seventy-four million, eight hundred fifty thousand, nine hundred forty-nine".