30653070 has 32 divisors (see below), whose sum is σ = 84077568. Its totient is φ = 7006368.

The previous prime is 30653069. The next prime is 30653107. The reversal of 30653070 is 7035603.

It is a super-2 number, since 2×30653070² = 1879221400849800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30653070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72774 + ... + 73193.

It is an arithmetic number, because the mean of its divisors is an integer number (2627424).

Almost surely, 2^30653070 is an apocalyptic number.

30653070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30653070 is an abundant number, since it is smaller than the sum of its proper divisors (53424498).

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

30653070 is a wasteful number, since it uses less digits than its factorization.

30653070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145984.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 30653070 is about 5536.5214711044. The cubic root of 30653070 is about 312.9617961789.

Adding to 30653070 its reverse (7035603), we get a palindrome (37688673).

The spelling of 30653070 in words is "thirty million, six hundred fifty-three thousand, seventy".