75249534 has 16 divisors (see below), whose sum is σ = 151961472. Its totient is φ = 24839448.

The previous prime is 75249521. The next prime is 75249547. The reversal of 75249534 is 43594257.

It is an interprime number because it is at equal distance from previous prime (75249521) and next prime (75249547).

It is a junction number, because it is equal to n+sod(n) for n = 75249492 and 75249501.

It is a congruent number.

It is an unprimeable number.

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, 60264 + ... + 61499.

It is an arithmetic number, because the mean of its divisors is an integer number (9497592).

Almost surely, 2^75249534 is an apocalyptic number.

75249534 is an abundant number, since it is smaller than the sum of its proper divisors (76711938).

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

75249534 is a wasteful number, since it uses less digits than its factorization.

75249534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121871.

The product of its digits is 151200, while the sum is 39.

The square root of 75249534 is about 8674.6489266137. The cubic root of 75249534 is about 422.1835151908.

The spelling of 75249534 in words is "seventy-five million, two hundred forty-nine thousand, five hundred thirty-four".