75429490 has 16 divisors (see below), whose sum is σ = 136157760. Its totient is φ = 30086320.

The previous prime is 75429481. The next prime is 75429499. The reversal of 75429490 is 9492457.

It is an interprime number because it is at equal distance from previous prime (75429481) and next prime (75429499).

It is not an unprimeable number, because it can be changed into a prime (75429499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6916 + ... + 14095.

It is an arithmetic number, because the mean of its divisors is an integer number (8509860).

Almost surely, 2^75429490 is an apocalyptic number.

75429490 is a deficient number, since it is larger than the sum of its proper divisors (60728270).

75429490 is a wasteful number, since it uses less digits than its factorization.

75429490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 75429490 is about 8685.0152561754. The cubic root of 75429490 is about 422.5197917972.

The spelling of 75429490 in words is "seventy-five million, four hundred twenty-nine thousand, four hundred ninety".