70344451 has 6 divisors (see below), whose sum is σ = 70710356. Its totient is φ = 69979800.

The previous prime is 70344433. The next prime is 70344493. The reversal of 70344451 is 15444307.

It is not a de Polignac number, because 70344451 - 2¹¹ = 70342403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70344551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152361 + ... + 152821.

Almost surely, 2^70344451 is an apocalyptic number.

70344451 is a deficient number, since it is larger than the sum of its proper divisors (365905).

70344451 is an frugal number, since it uses more digits than its factorization.

70344451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 70344451 is about 8387.1598887824. The cubic root of 70344451 is about 412.8034150904.

Adding to 70344451 its reverse (15444307), we get a palindrome (85788758).

It can be divided in two parts, 703 and 44451, that added together give a palindrome (45154).

The spelling of 70344451 in words is "seventy million, three hundred forty-four thousand, four hundred fifty-one".