75677145 has 16 divisors (see below), whose sum is σ = 122446080. Its totient is φ = 39906944.

The previous prime is 75677143. The next prime is 75677167. The reversal of 75677145 is 54177657.

It is a cyclic number.

It is not a de Polignac number, because 75677145 - 2¹ = 75677143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75677097 and 75677106.

It is not an unprimeable number, because it can be changed into a prime (75677143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27009 + ... + 29678.

It is an arithmetic number, because the mean of its divisors is an integer number (7652880).

Almost surely, 2^75677145 is an apocalyptic number.

It is an amenable number.

75677145 is a deficient number, since it is larger than the sum of its proper divisors (46768935).

75677145 is a wasteful number, since it uses less digits than its factorization.

75677145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56784.

The product of its digits is 205800, while the sum is 42.

The square root of 75677145 is about 8699.2611755252. The cubic root of 75677145 is about 422.9817014479.

The spelling of 75677145 in words is "seventy-five million, six hundred seventy-seven thousand, one hundred forty-five".