75645950 has 24 divisors (see below), whose sum is σ = 141787800. Its totient is φ = 30024800.

The previous prime is 75645931. The next prime is 75645953. The reversal of 75645950 is 5954657.

It is a junction number, because it is equal to n+sod(n) for n = 75645898 and 75645907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75645953) 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 11 ways as a sum of consecutive naturals, for example, 776 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (5907825).

Almost surely, 2^75645950 is an apocalyptic number.

75645950 is a deficient number, since it is larger than the sum of its proper divisors (66141850).

75645950 is a wasteful number, since it uses less digits than its factorization.

75645950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692 (or 11687 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 75645950 is about 8697.4680223615. The cubic root of 75645950 is about 422.9235741334.

The spelling of 75645950 in words is "seventy-five million, six hundred forty-five thousand, nine hundred fifty".