70552090 has 16 divisors (see below), whose sum is σ = 145135872. Its totient is φ = 24189264.

The previous prime is 70552087. The next prime is 70552093. The reversal of 70552090 is 9025507.

It is an interprime number because it is at equal distance from previous prime (70552087) and next prime (70552093).

It is not an unprimeable number, because it can be changed into a prime (70552093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503874 + ... + 504013.

It is an arithmetic number, because the mean of its divisors is an integer number (9070992).

Almost surely, 2^70552090 is an apocalyptic number.

70552090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70552090 is an abundant number, since it is smaller than the sum of its proper divisors (74583782).

70552090 is a wasteful number, since it uses less digits than its factorization.

70552090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007901.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 70552090 is about 8399.5291534704. The cubic root of 70552090 is about 413.2091798176.

Adding to 70552090 its reverse (9025507), we get a palindrome (79577597).

The spelling of 70552090 in words is "seventy million, five hundred fifty-two thousand, ninety".