690112602 has 32 divisors (see below), whose sum is σ = 1536010560. Its totient is φ = 229673520.

The previous prime is 690112601. The next prime is 690112627. The reversal of 690112602 is 206211096.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (690112601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25477 + ... + 45047.

It is an arithmetic number, because the mean of its divisors is an integer number (48000330).

Almost surely, 2^690112602 is an apocalyptic number.

690112602 is an abundant number, since it is smaller than the sum of its proper divisors (845897958).

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

690112602 is a wasteful number, since it uses less digits than its factorization.

690112602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20235 (or 20229 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 690112602 is about 26269.9943281303. The cubic root of 690112602 is about 883.7036579287.

Adding to 690112602 its reverse (206211096), we get a palindrome (896323698).

It can be divided in two parts, 6901 and 12602, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 690112602 in words is "six hundred ninety million, one hundred twelve thousand, six hundred two".