70743803 has 4 divisors (see below), whose sum is σ = 76185648. Its totient is φ = 65301960.

The previous prime is 70743797. The next prime is 70743823. The reversal of 70743803 is 30834707.

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

It is a cyclic number.

It is not a de Polignac number, because 70743803 - 2⁴ = 70743787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70743803.

It is not an unprimeable number, because it can be changed into a prime (70743823) 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, 2720903 + ... + 2720928.

It is an arithmetic number, because the mean of its divisors is an integer number (19046412).

Almost surely, 2^70743803 is an apocalyptic number.

70743803 is a deficient number, since it is larger than the sum of its proper divisors (5441845).

70743803 is a wasteful number, since it uses less digits than its factorization.

70743803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441844.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70743803 is about 8410.9335391501. The cubic root of 70743803 is about 413.5831159467.

The spelling of 70743803 in words is "seventy million, seven hundred forty-three thousand, eight hundred three".