70425552 has 160 divisors (see below), whose sum is σ = 205701120. Its totient is φ = 20666880.

The previous prime is 70425497. The next prime is 70425559. The reversal of 70425552 is 25552407.

It is a super-3 number, since 3×70425552³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70425559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1328758 + ... + 1328810.

It is an arithmetic number, because the mean of its divisors is an integer number (1285632).

Almost surely, 2^70425552 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 70425552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102850560).

70425552 is an abundant number, since it is smaller than the sum of its proper divisors (135275568).

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

70425552 is a wasteful number, since it uses less digits than its factorization.

70425552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

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

The square root of 70425552 is about 8391.9933269754. The cubic root of 70425552 is about 412.9619962412.

Adding to 70425552 its reverse (25552407), we get a palindrome (95977959).

The spelling of 70425552 in words is "seventy million, four hundred twenty-five thousand, five hundred fifty-two".