378535733 has 4 divisors (see below), whose sum is σ = 383721228. Its totient is φ = 373350240.

The previous prime is 378535721. The next prime is 378535747. The reversal of 378535733 is 337535873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270832849 + 107702884 = 16457^2 + 10378^2 .

It is a cyclic number.

It is not a de Polignac number, because 378535733 - 2⁶ = 378535669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378535033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592638 + ... + 2592783.

It is an arithmetic number, because the mean of its divisors is an integer number (95930307).

Almost surely, 2^378535733 is an apocalyptic number.

It is an amenable number.

378535733 is a deficient number, since it is larger than the sum of its proper divisors (5185495).

378535733 is an equidigital number, since it uses as much as digits as its factorization.

378535733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185494.

The product of its digits is 793800, while the sum is 44.

The square root of 378535733 is about 19455.9947830996. The cubic root of 378535733 is about 723.3841033876.

The spelling of 378535733 in words is "three hundred seventy-eight million, five hundred thirty-five thousand, seven hundred thirty-three".