7375428245737 has 8 divisors (see below), whose sum is σ = 7449801963912. Its totient is φ = 7301080992000.

The previous prime is 7375428245707. The next prime is 7375428245741.

It is a happy number.

7375428245737 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4587667069456 + 2787761176281 = 2141884^2 + 1669659^2 .

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-7375428245737 is a prime.

It is a super-2 number, since 2×7375428245737² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7375428245707) 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, 6055678 + ... + 7170919.

It is an arithmetic number, because the mean of its divisors is an integer number (931225245489).

Almost surely, 2^{7375428245737} is an apocalyptic number.

It is an amenable number.

7375428245737 is a deficient number, since it is larger than the sum of its proper divisors (74373718175).

7375428245737 is a wasteful number, since it uses less digits than its factorization.

7375428245737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232219.

The product of its digits is 276595200, while the sum is 64.

The spelling of 7375428245737 in words is "seven trillion, three hundred seventy-five billion, four hundred twenty-eight million, two hundred forty-five thousand, seven hundred thirty-seven".