70630 has 16 divisors (see below), whose sum is σ = 145440. Its totient is φ = 24192.

The previous prime is 70627. The next prime is 70639. The reversal of 70630 is 3607.

It is a happy number.

70630 is a modest number, since divided by 630 gives 70 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70639) 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, 435 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (9090).

2⁷⁰⁶³⁰ is an apocalyptic number.

70630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70630 is an abundant number, since it is smaller than the sum of its proper divisors (74810).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72720).

70630 is a wasteful number, since it uses less digits than its factorization.

70630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 70630 is about 265.7630523606. The cubic root of 70630 is about 41.3361224849.

Adding to 70630 its product of nonzero digits (126), we get a square (70756 = 266²).

It can be divided in two parts, 70 and 630, that multiplied together give a square (44100 = 210²).

The spelling of 70630 in words is "seventy thousand, six hundred thirty".