70454550 has 48 divisors (see below), whose sum is σ = 176863680. Its totient is φ = 18558240.

The previous prime is 70454539. The next prime is 70454567. The reversal of 70454550 is 5545407.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 9621 + ... + 15279.

It is an arithmetic number, because the mean of its divisors is an integer number (3684660).

Almost surely, 2^70454550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70454550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88431840).

70454550 is an abundant number, since it is smaller than the sum of its proper divisors (106409130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70454550 is a wasteful number, since it uses less digits than its factorization.

70454550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5752 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 70454550 is about 8393.7208674104. The cubic root of 70454550 is about 413.0186680429.

Adding to 70454550 its reverse (5545407), we get a palindrome (75999957).

The spelling of 70454550 in words is "seventy million, four hundred fifty-four thousand, five hundred fifty".