73975490 has 8 divisors (see below), whose sum is σ = 133155900. Its totient is φ = 29590192.

The previous prime is 73975481. The next prime is 73975507. The reversal of 73975490 is 9457937.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73908409 + 67081 = 8597^2 + 259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698765 + ... + 3698784.

Almost surely, 2^73975490 is an apocalyptic number.

73975490 is a deficient number, since it is larger than the sum of its proper divisors (59180410).

73975490 is a wasteful number, since it uses less digits than its factorization.

73975490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397556.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 73975490 is about 8600.9005342464. The cubic root of 73975490 is about 419.7872883586.

The spelling of 73975490 in words is "seventy-three million, nine hundred seventy-five thousand, four hundred ninety".