75148746 has 16 divisors (see below), whose sum is σ = 151308000. Its totient is φ = 24881168.

The previous prime is 75148709. The next prime is 75148763. The reversal of 75148746 is 64784157.

It is a junction number, because it is equal to n+sod(n) for n = 75148698 and 75148707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41136 + ... + 42923.

It is an arithmetic number, because the mean of its divisors is an integer number (9456750).

Almost surely, 2^75148746 is an apocalyptic number.

75148746 is an abundant number, since it is smaller than the sum of its proper divisors (76159254).

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

75148746 is a wasteful number, since it uses less digits than its factorization.

75148746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84213.

The product of its digits is 188160, while the sum is 42.

The square root of 75148746 is about 8668.8376383458. The cubic root of 75148746 is about 421.9949424010.

The spelling of 75148746 in words is "seventy-five million, one hundred forty-eight thousand, seven hundred forty-six".