75505146 has 16 divisors (see below), whose sum is σ = 151222464. Its totient is φ = 25133024.

The previous prime is 75505127. The next prime is 75505147. The reversal of 75505146 is 64150557.

It is not an unprimeable number, because it can be changed into a prime (75505147) 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, 4011 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (9451404).

Almost surely, 2^75505146 is an apocalyptic number.

75505146 is an abundant number, since it is smaller than the sum of its proper divisors (75717318).

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

75505146 is a wasteful number, since it uses less digits than its factorization.

75505146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 75505146 is about 8689.3697124705. The cubic root of 75505146 is about 422.6610074585.

The spelling of 75505146 in words is "seventy-five million, five hundred five thousand, one hundred forty-six".