75377740 has 24 divisors (see below), whose sum is σ = 163400832. Its totient is φ = 29178240.

The previous prime is 75377737. The next prime is 75377773. The reversal of 75377740 is 4777357.

It is a junction number, because it is equal to n+sod(n) for n = 75377693 and 75377702.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 60169 + ... + 61408.

It is an arithmetic number, because the mean of its divisors is an integer number (6808368).

Almost surely, 2^75377740 is an apocalyptic number.

It is an amenable number.

75377740 is an abundant number, since it is smaller than the sum of its proper divisors (88023092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75377740 is a wasteful number, since it uses less digits than its factorization.

75377740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121617 (or 121615 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 75377740 is about 8682.0354756244. The cubic root of 75377740 is about 422.4231434724.

The spelling of 75377740 in words is "seventy-five million, three hundred seventy-seven thousand, seven hundred forty".