75283949 has 8 divisors (see below), whose sum is σ = 81715200. Its totient is φ = 68944176.

The previous prime is 75283921. The next prime is 75283961. The reversal of 75283949 is 94938257.

It is a happy number.

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 75283949 - 2⁸ = 75283693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75283969) 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, 21149 + ... + 24450.

It is an arithmetic number, because the mean of its divisors is an integer number (10214400).

Almost surely, 2^75283949 is an apocalyptic number.

It is an amenable number.

75283949 is a deficient number, since it is larger than the sum of its proper divisors (6431251).

75283949 is a wasteful number, since it uses less digits than its factorization.

75283949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45739.

The product of its digits is 544320, while the sum is 47.

The square root of 75283949 is about 8676.6323536266. The cubic root of 75283949 is about 422.2478665582.

The spelling of 75283949 in words is "seventy-five million, two hundred eighty-three thousand, nine hundred forty-nine".