73070351 has 2 divisors, whose sum is σ = 73070352. Its totient is φ = 73070350.

The previous prime is 73070341. The next prime is 73070381. The reversal of 73070351 is 15307037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73070351 - 2¹⁰ = 73069327 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73070351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73070311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36535175 + 36535176.

It is an arithmetic number, because the mean of its divisors is an integer number (36535176).

Almost surely, 2^73070351 is an apocalyptic number.

73070351 is a deficient number, since it is larger than the sum of its proper divisors (1).

73070351 is an equidigital number, since it uses as much as digits as its factorization.

73070351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 73070351 is about 8548.1197347721. The cubic root of 73070351 is about 418.0681325568.

Adding to 73070351 its reverse (15307037), we get a palindrome (88377388).

The spelling of 73070351 in words is "seventy-three million, seventy thousand, three hundred fifty-one".