7534781045 has 8 divisors (see below), whose sum is σ = 9863713440. Its totient is φ = 5479840720.

The previous prime is 7534781017. The next prime is 7534781053. The reversal of 7534781045 is 5401874357.

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

It is not a de Polignac number, because 7534781045 - 2¹⁰ = 7534780021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7534780987 and 7534781005.

It is a congruent number.

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, 68497955 + ... + 68498064.

It is an arithmetic number, because the mean of its divisors is an integer number (1232964180).

Almost surely, 2^7534781045 is an apocalyptic number.

It is an amenable number.

7534781045 is a deficient number, since it is larger than the sum of its proper divisors (2328932395).

7534781045 is a wasteful number, since it uses less digits than its factorization.

7534781045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136996035.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 7534781045 is about 86803.1165627133. The cubic root of 7534781045 is about 1960.4550037813.

The spelling of 7534781045 in words is "seven billion, five hundred thirty-four million, seven hundred eighty-one thousand, forty-five".