75421338 has 16 divisors (see below), whose sum is σ = 152308416. Its totient is φ = 24896160.

The previous prime is 75421327. The next prime is 75421349. The reversal of 75421338 is 83312457.

It is an interprime number because it is at equal distance from previous prime (75421327) and next prime (75421349).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75421299 and 75421308.

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, 60403 + ... + 61638.

It is an arithmetic number, because the mean of its divisors is an integer number (9519276).

Almost surely, 2^75421338 is an apocalyptic number.

75421338 is an abundant number, since it is smaller than the sum of its proper divisors (76887078).

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

75421338 is a wasteful number, since it uses less digits than its factorization.

75421338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122149.

The product of its digits is 20160, while the sum is 33.

The square root of 75421338 is about 8684.5459294082. The cubic root of 75421338 is about 422.5045700520.

The spelling of 75421338 in words is "seventy-five million, four hundred twenty-one thousand, three hundred thirty-eight".