75120736 has 12 divisors (see below), whose sum is σ = 147894012. Its totient is φ = 37560352.

The previous prime is 75120653. The next prime is 75120761. The reversal of 75120736 is 63702157.

It is a junction number, because it is equal to n+sod(n) for n = 75120698 and 75120707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1173730 + ... + 1173793.

It is an arithmetic number, because the mean of its divisors is an integer number (12324501).

Almost surely, 2^75120736 is an apocalyptic number.

It is an amenable number.

75120736 is a deficient number, since it is larger than the sum of its proper divisors (72773276).

75120736 is a wasteful number, since it uses less digits than its factorization.

75120736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347533 (or 2347525 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 75120736 is about 8667.2219309303. The cubic root of 75120736 is about 421.9425061869.

The spelling of 75120736 in words is "seventy-five million, one hundred twenty thousand, seven hundred thirty-six".