70454072 has 72 divisors (see below), whose sum is σ = 151348320. Its totient is φ = 30700800.

The previous prime is 70454063. The next prime is 70454099. The reversal of 70454072 is 27045407.

It is a super-3 number, since 3×70454072³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 17 ways as a sum of consecutive naturals, for example, 1718372 + ... + 1718412.

It is an arithmetic number, because the mean of its divisors is an integer number (2102060).

Almost surely, 2^70454072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70454072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75674160).

70454072 is an abundant number, since it is smaller than the sum of its proper divisors (80894248).

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

70454072 is a wasteful number, since it uses less digits than its factorization.

70454072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 70454072 is about 8393.6923936966. The cubic root of 70454072 is about 413.0177339969.

Adding to 70454072 its reverse (27045407), we get a palindrome (97499479).

The spelling of 70454072 in words is "seventy million, four hundred fifty-four thousand, seventy-two".