75147007469 has 8 divisors (see below), whose sum is σ = 75849846072. Its totient is φ = 74447400960.

The previous prime is 75147007457. The next prime is 75147007499. The reversal of 75147007469 is 96470074157.

It can be written as a sum of positive squares in 4 ways, for example, as 3895382569 + 71251624900 = 62413^2 + 266930^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75147007469 is a prime.

It is a super-2 number, since 2×75147007469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75147007499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761294 + ... + 854319.

It is an arithmetic number, because the mean of its divisors is an integer number (9481230759).

Almost surely, 2^75147007469 is an apocalyptic number.

It is an amenable number.

75147007469 is a deficient number, since it is larger than the sum of its proper divisors (702838603).

75147007469 is a wasteful number, since it uses less digits than its factorization.

75147007469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616047.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 75147007469 in words is "seventy-five billion, one hundred forty-seven million, seven thousand, four hundred sixty-nine".