7346544157 has 4 divisors (see below), whose sum is σ = 7348956700. Its totient is φ = 7344131616.

The previous prime is 7346544097. The next prime is 7346544209. The reversal of 7346544157 is 7514456437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7514456437 = 293 ⋅25646609.

It can be written as a sum of positive squares in 2 ways, for example, as 239042521 + 7107501636 = 15461^2 + 84306^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346544157 - 2¹⁹ = 7346019869 is a prime.

It is a super-2 number, since 2×7346544157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7346542157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201698 + ... + 1207795.

It is an arithmetic number, because the mean of its divisors is an integer number (1837239175).

Almost surely, 2^7346544157 is an apocalyptic number.

It is an amenable number.

7346544157 is a deficient number, since it is larger than the sum of its proper divisors (2412543).

7346544157 is a wasteful number, since it uses less digits than its factorization.

7346544157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412542.

The product of its digits is 1411200, while the sum is 46.

The square root of 7346544157 is about 85711.9837420649. The cubic root of 7346544157 is about 1943.9915123968.

The spelling of 7346544157 in words is "seven billion, three hundred forty-six million, five hundred forty-four thousand, one hundred fifty-seven".