70061450 has 24 divisors (see below), whose sum is σ = 135982368. Its totient is φ = 26805680.

The previous prime is 70061447. The next prime is 70061483. The reversal of 70061450 is 5416007.

It is a super-2 number, since 2×70061450² = 9817213552205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29312 + ... + 31611.

It is an arithmetic number, because the mean of its divisors is an integer number (5665932).

Almost surely, 2^70061450 is an apocalyptic number.

70061450 is a deficient number, since it is larger than the sum of its proper divisors (65920918).

70061450 is a wasteful number, since it uses less digits than its factorization.

70061450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60958 (or 60953 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 70061450 is about 8370.2717996490. The cubic root of 70061450 is about 412.2490913671.

Adding to 70061450 its reverse (5416007), we get a palindrome (75477457).

The spelling of 70061450 in words is "seventy million, sixty-one thousand, four hundred fifty".