690342552 has 24 divisors (see below), whose sum is σ = 1869677940. Its totient is φ = 230114160.

The previous prime is 690342547. The next prime is 690342557. The reversal of 690342552 is 255243096.

690342552 is a `hidden beast` number, since 69 + 0 + 3 + 42 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (690342547) and next prime (690342557).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690342557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4793974 + ... + 4794117.

Almost surely, 2^690342552 is an apocalyptic number.

It is an amenable number.

690342552 is an abundant number, since it is smaller than the sum of its proper divisors (1179335388).

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

690342552 is a wasteful number, since it uses less digits than its factorization.

690342552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588103 (or 9588096 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 690342552 is about 26274.3706299504. The cubic root of 690342552 is about 883.8017989614.

It can be divided in two parts, 6903 and 42552, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 690342552 in words is "six hundred ninety million, three hundred forty-two thousand, five hundred fifty-two".